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Agricultural Meteorology, 18(1977) 293--319 © Elsevier Scientific Publishing Company, Amsterdam -- Printed in The Netherlands

RECENTLY PUBLISHED PAPERS Edited by L. P. SMITH ARTIFICIAL CLIMATE Arkenbout, J., 1975. The technique for supplying air for the treatment of compost in a tunnel. Champignoncultuur, 19(9): 261, 2{53, 265--267 (in Dutch). Berson, G. S., 1976. Methods of productivity control of greenhouses in the Far North. Phytotron. Newslett., 12/13: 42--52. Bredmose, N., 1975. Reduction of heat with a flexible shade screen and varying temperature. Gartner Tidende, 4 0 : 6 5 2 - - 6 5 4 (in Danish). Brown, J. F., Clark, D. J. and Kochman, J. K., 1974. A temperature-controlled dew chamber to provide uniform conditions for infection by foliage pathogens. Austr. Plant Pathol. Soc. Newslett., 3(3): 58. Campbell, L. E. et al., 1975. Spectral radiant power of lamps used in horticulture. Trans. ASAE, 18(5): 952--956. Carow, B., 1975. Temperature treatments and plant development. Dtsch. Gartenbau, 29(41): 1591--1595 (in German). Carow, B., 1975. Pot campanulas; a crop with a low heat requirement. Dtsch. Gartenbau, 29(41): 1605--1606 (in German). Dalrymple, D., 1976. Solar energy for greenhouse or residence to be studied. Phytotron. Newslett., 12/13: 19--20. Doorduin, J. C., 1975. "Curled" freesia plants. Vakbl. Bloemisterij, 30(49): (in Dutch). Downs, R. J. and Hellmers, H., 1976. Controlled climate and plant research. WMO Tech. Note, 1 4 8 : 6 0 pp. Eindhoven, W., 1975. Cucumber yields with early forcing, 1975. Groenten Fruit, 31(18): 779 (in Dutch). Gerrits, J. P. G., 1975. The first experiences with the experimental tunnel. Champignoncultuur, 19(9): 254--255, 257--260 (in Dutch). Gerrits, J. P. G., 1975. Some observations on compost temperature. Champignoncultuur, 19(8): 219, 221, 225, 227, (in Dutch). Goldsberry, K. L., 1975. Poinsettas; hot or cold? Colo. Flower Growers Assoc. Bull., 303: 1--5. Grunewald, G., 1976. Temperature and humidity effects on goods in standard containers. Seewasseramt Wetterlotse (Hamburg), 2 8 : 3 3 - - 5 2 (in German}. Hilkenbaumer, F. and Wendt, T., 1975. Investigations on the application of soil heating in field plots. Gartenbauwissenschaft, 40(6): 261--266 (in German}. Ilieva, V., Sugarev, T. and Murtazov, T., 1975. A statistical regression model of the water metabolism in greenhouse tomatoes. Gradinar. Lozar. Nauka, 12(5): 41--46 (in Bulgarian ). Kaufmann, H. G., 1975. Cropping problems in producing ornamental plants at a given date. Gartenbau, 22(3): 87--89 (in German). Kratky, B. A., 1976. Effect of polyethylene and aluminium foil mulches at three plant populations on yields of glasshouse tomatoes. Trop. Agric., 53(1): 57--62. Krekule, J. et al, 1976. Small-volume growth chamber and its control. Phytotron. Newslettr, 12/13: 22--23. Mason, G., Grime, J. P. and Lumb, A. H., 1976. The temperature-gradient tunnel; a versatile controlled environment. Ann. Bot., 40(165): 137--142.

294 Ne~bert, K. and Borner, R , 1975. Studies and experience of the use of supplementary lighting for carnations. Gartenban, 22(1): 2 4 - 2 6 (in German). Pasqualone, S., 1975. Thermal requirements in cold stores designed for vegetable and fruit products. Frutticoltura. 37(7!8): 27-~31 tin Italian). Pavlides, D., 1976. Use of.a classic culture cell as a SO 2 controlled atmosphere air ~ conditioned enclosure ; results obtained. Phytotron. Newslett., 12/13 : 5 7 - - 6 4 Pimpini, F., 1975. A further experimental contribution to the use of plastic films for blanching and mulching chicory. Riv. Ortoflorofruttic. Ital., 59(3): 149--161 (in Italian ). Robinson, J. E., Browne, K. M. and Burton, W. G., 197 5. Storage characteristics of some vegetables and soft fruits. 2ran. Appl. Biol., 81[3): 399--408. Runger, W., 1975. Reg~alating the flowering time of calceolarias. Gartenwelt, 75(19): 415--416 (in German). Runger, W., 1975. Temperature in the culture of Rhipsalidopsis. Dtsch. Gartenbau, 29(41); 1600--1602 (in German). Samish, Y. B., 1976. The effects of CO~ concentration and techniques of its control, on growth, photorespiration, Phytotron. Newslett., 12113: 52--56. Sehumacher, G., 1975. Phalaenopsis: cultivation and temperature treatments. Dtsch. Gartenbau, 29(41 ): 1609--1612 (in German). Stickler, M. P., 1976. The use of plastics for heat insulation in greenhouses. Phytotron. Newslett., 12/13: 37--42. Von Hentig, W. U., 1975. Perlargonium grandiiTorum hybrids: temperature and daylength are decisive. Dtsch. Gartenbau, 29(41): 1596--1597 (in German). CEREAL CROPS Abe, I. and Ono, K., 1974. Studies on forecast of cool weather damage to rice growth in Aomori prefecture, 4. Distribution of rice yield in 1971 on the basis of the relationship between rice growth and manures for forecasting cool weather damage. J. Agric. Meteorol., 30(3): 117--121 (in Japanese). Anikiev, V. V. and Gorbushina, N. M., 1974. The effect of excessive soil moisture on contents of phosphorus-containing substances in barley. Nauchn. Dokl. Vyssh. Shk., Biol. Nauki, 2 : 8 8 - - 9 1 (in Russian). Arnold, C. Y., 1975. The relationship of inheritance and temperature to the yield of sweet corn. J. Am. Soc. Hortic. Sci., 100(5): 542--545. Ashby, E. S. and Lea, J. D., 1975. Effect of polyethylene and grass mulches on soil temperature and germination of maize in a Devon soil. Crop Prod., 3: 33--36. Cantar, F., Cretu, A. and Soroceanu, N., 1975. The effect of drought in 1973/74 on the yield of wheat in Moldavia. Cercet. Agron. Moldava, June: 139--142 (in Romanian). Day, A. D. and Thompson, R. K., 1975. Effects of soil moisture regimes on the growth of barley. Agron. J., 67(3): 430--433. Dzugan, M., 1974. The differential effect of natural precipitation, according to soil conditions, on maize for grain on the east Slovak plain. Pol'nohospodarstvo, 20(5): 345--355 (in Slovak). Fedorov, N. I. and Sobolev, A. I., 1975. Effect of weather conditions on organogenesis and yield formation in spring wheat. In: Voprosy Botaniki Yugo-Vostoka, 1. Saratov, U.S.S.R., Univ. pp. 11--17 (in Russian). Gasowski, A., 1974. Use of plastic tunnels for decreasing the time to heading and flowering in cereal crops. Biul. Inst. Hodowli Aklim. Rosl., 5 / 6 : 8 5 - - 8 6 (in Polish). Grist, D. H., 1975. Water and the rice crop, World Crops, 27(6): 254--255. Herdt, R. W. and Wickham, T. H., 1975. Exploring the gap between potential and actual rice yield in the Philippines. Food Res. Inst. Stud., 14(2): 163--181. Kanemasu, E. T., Bark, D. L. and Choy, E. C., 1975. Effect of soil temperature on sorghum emergence. Plant Soil, 43(2): 411--417.

295 Keim, D. L., 1974. Adaptability of winter wheat cultivars to dryland conditions and their response to water stress. Diss. Abstr. Int., B, 35(3): 1147--1148. Kern, A. D., Meggitt, W. F. and Penner, D., 1975. Influence of soil moisture on tolerance of corn to cyanazine. Weed Sci., 23(6): 522--524. Labanauskas, C. K. et al., 1975. Soil temperature and soil aeration effects on concentration and total amounts of nutrients in Yecora wheat grain. Soil Sci., 120(6): 450--454. Lee, S. Y., Arnemiya, A. and Tanaka, I., 1975. The influence of low temperature on the photosynthesis of a japonica-indica rice hybrid and its parents. Proc. Crop Sci. Soc. Jpn., 44(3): 370--371 (in Japanese). Levenko, A. A. and Bruyatskaya, S. P., 1975. Investigation of the dependence of yield in winter wheat on agrometeorological conditions. Tr. Ukr. Gidrometeorol. Inst., 139: 15--19 (in Russian). Martinic, J. Z., 1975. Life cycle of common wheat varieties in natural environments as related to their response to shortened photoperiod. Z. Pflanzenzficht., 75(3): 237--251. Mihoc, C. and Socor, E., 1974. Agricultural-meteorological characteristics of the agricultural year 1972--73 and their influence on the health of winter wheat. Hidrotehnica, 19(2): 74--77 (in Romanian). Nakayama, F., Reggiardo, L. M. and Morandi, E., 1974. Requirements for vernalization and photoperiodism of 6 Argentine wheat cultivars. Rev. Fac. Agron., Univ. Nac. la Plata, 50(1/2): 27--39 (in Spanish). Nozaki, M., 1975. A technical analysis of high yields of rice in Mandya district of India. Jpn. Agric. Res. Q., 9(2): 1 2 5 - 1 2 6 . Okuyama, T., 1975. Measurements of active surface temperature of a rice plant grown in a small model of the paddy field using an infra-red thermometer. J. Agric. Meteorol., 30(4): 191--194 {in Japanese). Pakov, I. and Andonova, P., 1975. Some biochemical differences in the root systems of wheat grown in soil with different depths of water table level. Rast. Nauki, 12(1): 20--26 (in Bulgarian). Parodi, R. A., Scantamburle, J. L. and Nieves, J. A., 1974. Lack of moisture in the soil is not a sufficient cause to delay sowing of grain sorghum. Estac. Exp. Agropecu. Manfredi, Inf. Tec., 5 9 : 6 pp. (in Spanish). Pazukhina, R. A., 1975. Thermal and water resources of natural climatic complexes in northwestern foothills in the Altay territory and delineation of areas for the cultivation of spring wheat. Tr. Zapadno-Sib. Reg. Gidrometeorol. Inst., 1 9 : 3 0 - - 4 4 (in Russian ). Pigareva, L. G., 1975. Agrometeorological fundamentals of rate of development of spring wheat during the period sowing to emergence in the Ural region. Sb. Nauchn. Tr., Saratov. Skh. Inst., 33: 63--72.{in Russian). Prihar, S. S. et al., 1975. Effect of simulated plough-sole on water uptake and yield of dryland wheat. Agron. J., 67(3): 369--373. Ranjodh Singh et al., 1975. Effect of nitrogen fertilization on yield and water use efficiency of dryland winter wheat as affected by stored water and rainfall. Agron. J., 67(5): 599--603. Rehman, A. and Athar, M., 1974. Effect of different rates of nitrogen and time of first irrigation on the yield of Mexipak and Dirk wheat varieties. Agric. Pak., 25(2): 57--65. Robertson, G. W., 1975. Rice and weather. WMO Tech. Note, 1 4 4 : 4 0 pp. Russo, S., 1975. Influence of climate on rice growing and production in the plain of Vercelli in 1974. Riso, 25(3): 251--278 (in Italian). Socor, E. and Mihoc, C., 1974. The influence of agricultural meterological conditions on the zoning of agricultural production of maize farming in 1973. Hidrotehnica, 19(1 ); 28--32 (in Romanian). Sojka, R. E. et al., 1975. Wheat growth related to rhizosphere temperature and oxygen

296 levels. Agron. J., 67(5): 591--596. Sonnier, E. A., 1975. Water management in red rice control. Rice J., 78(7): 57. Sukhov, L. N., 1975. Dependence of average regional yields of winter rye in the central chernozem zone and the middle Volga river area on agrometeorological conditions. Tr. Gidrometeorol. Nafichn.-Issl. Tsent. S.S.S.R. 1 5 4 : 9 5 - - 1 0 2 (in Russian). Tikhonova, E. L. et al., 1975. Drought and spells of hot dry winds in southeastera regions of western Siberia and their effect on yield formation of spring wheat. Tr~ Zapadno--Sib. Reg. Gidrometeorol. Inst., 1 9 : 1 0 - - 1 6 (in Russian). Ulanova, E. S., 1975. Changes in yields of winter wheat in different years and agrometeorological conditions in anomalous years. Tr. Gidrometeorol. Nauchn.--Issl. Tsent. S.S.S.R., 1 5 4 : 7 3 - - 8 7 (in Russian). Utrata, A., 1975. An attempt to use data from agrometeorological stations for evaluation of the influence of hibernation and precipitation on winter wheat crops. Wiad. Meteorol. Gospod. Wod., 2(3): 43--52 (in Polish). Williams, G. D. V., 1974. Physical frontiers of crops; the example of growing barley to maturity in Canada. Can. Dep. Agric., Plant Res. Inst. Contrib., 9 6 2 : 1 4 pp. Zhuravleva, A. N., 1975. Effect of meteorological conditions on overwintering and yield of winter wheat. Nauchn Tr. Sev.--Zapadn. Inst. Sel'~k. Khoz., 3 4 : 7 8 - - 8 1 ( in Russian).

CLIMATE AND WEATHER FACTORS Abel, G. H., 1975. Growth and yield of safflower in three temperature regimes. Agron. J., 67(5): 639--642. Bishnoi, O. P., 1974. Soil-climatic zones of Haryana in relation to the cropping patterns during the rainy and winter seasons. Ann. Arid Zone, 13(4): 293--308. Blume, H. P. and Zimmerman, U., 1975. Soil water and air regimes in forest and agricultural soils on loess in southwest Germany. Z. Pflanzenern~hr. Bodenkd., 6 : 5 4 1 - - 5 5 0 (in German). Boyd, W. J. R. et al., 1976. An analysis of climatic environments for plant-breeding purposes. Austr. J. Agric. Res., 27(1): 19--33. Brachet, J. et al., 1976. The effect of moisture supply on the content of chlorogenic acids in CaUuna. C. R. Acad. Sci., Ser. D., No. 5 : 4 3 7 - - 4 3 9 (in French). Brooke, B., 1976. Wet-weather cropping for Northeast farmers. J. Agric. (Melbourne), 74: 31--32. Desjardins, R. L., 1975. Energy balance and agricultural production. Feuill. Meteorol., Qu4., 1 4 : 2 0 3 - 2 0 6 (in French). Elias, P., 1975. A contribution to the study of water relations of forest herbs. Biologia (Bratislava), A, 30(10): 771--779. Fluhler, H. et al., 1975. Influence of soil moisture tension on root water uptake by a grass cover. Z. Pflanzenern~ihr. Bodenkd., 6 : 5 8 3 - - 5 9 3 (in German). (3oysa, N. I., Perelet, N. A. and Pishchelka, V. M., 1974. The energy demands of crops in the Ukraine and their guarantee. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 459--463 (in Russian). Gunther, T., 1975. Researches on meteorological yield analysis. D.D.R. Meteorol. D[enst Abh., 15(114): 1--57 (in German). Handel, S. N., 1976. Restricted pollen flow of two woodland herbs determined by neutronactivation analysis. Nature (London), 260: 422--423. Hargreaves, G. H., 1975. Moisture availability and crop production. Trans. ASAE, 18(5): 980--984. Hasegawa, S. and Okuda, A., 1974. Agroclimatological studies on Ca-plants and C4-plants, 1. Distribution of cultivated area. J. Agric. Meteorol., 30(2): 63--69 (in Japanese).

297 Hasegawa, S. and Okuda, A., 1975. Difference of germination temperatures between C 3plants and C4-plants. J. Agric. Meteorol., 31(1): 23--27 (in Japanese). Jonsson, R., 1975. Breeding for improved fatty-acid composition in oil-seed crops, 2. Investigations on the effect of some environmental factors on the fatty-acid pattern in winter rape. Sver. Utsi~desforen. Tidskr., 85(1): 91--8 (in Swedish). Kim, I. H., 1975. On the hithergraphic (sic) analysis for the climatic characteristics of the south coast of Korea. J. Inst. Agric. Resour. Util., Gyeong Sang Nat. Univ., 9 : 1 1 9 - - 1 2 5 (in Korean ). Klepper, B. and Craig, D. K., 1975. Deposition of airborne particulates onto plant leaves. J. Environ. Qual., 4(4): 495--499. Kolomeychenko, V. V., 1974. Methods for increasing the coefficient for the use of solar energy in yield formation. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 434--436 (in Russian). Kovtun, I. I., 1974. The effect of solar radiation on the accumulation of carbohydrates in winter wheat plants. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometoizdat, Leningrad, pp. 434--436 (in Russian). McEntee, M. E., 1975. Climatic variability and agricultural research. Farm Food Res., 6(6): 142--144. Myhr, E., 1975. Investigation on groundwater conditions and yields in connection with the regulation of the Flatdal watercourse in Telemark. Meld. Nor. Landbruksh~gsk., 54(10): 24 pp. (in Norwegian). McQuigg, J. D., 1975. Climatic changes. Cereal Foods World, 20(11): 546--547; 559. Millington, R. J., 1975. Energy and Australian agriculture. World Anita. Rev., 16: 18--22. Onwueme, I. C. and Atakoumi, A. K., 1975. Yield of Celosia and A m a r a n t h u s as affected by high temperature stress. Phyton (Buenos Aires), 33(2): 143--147. Pearson, C. J., 1975. Thermal adaptation of P e n n i s e t u m : seedling development. Austr. J. Plant Physiol., 2(3): 413--424. Raeuber, A. and Howitz, H., 1976. Application of games theory to the assessment of plant species as a function of meteorological parameters. Z. Meteorol., 2 6 : 7 9 - - 8 6 (in German ). Rao, N. G. P., Rao, S. S. and Rao, K. V., 1975. Rainfall variations and crop yields. Current Sci., 44(19): 694--697. Rauner, Yu. L., 1976. The use of a stochastic model of primary productivity for analysing fluctuations in crop yields. Izv. Akad. Nauk., S.S.S.R., Ser. Geogr., 2 : 1 3 - - 2 9 (in Russian ). Slinn, W. G. N., 1976. Precipitation scavenging of aerosol particles. Geophys. Res. Lett., 3: 21--22. Talha, M., Radwan, A. S. and Negm, S., 1975. The effect of soil moisture deficit on growth and alkaloid content of C a t h a r a n t h u s roseus. Current Sci., 44(17): 614--616. Thomas, H., 1975. The growth responses to weather of simulated vegetative swards of a single genotype of L o l i u m p e r e n n e . J. Agric. Sci. (U.K.), 84: 333--343. Uchigima, T. and Ishiguro, T., 1974. Studies on the geographical distribution of agroclimatic indexes in Hokkaido, 1. Relation between the regional differences of annual variation of crops and air temperature. J. Agric. Meteorol., 30(3): 123--129, (in Japanese ). Vora, A. B. et al., 1975. Effect of low moisture level on catalase activity in some crop plants during juvenile phase. Ann. Arid. Zone, 14(3): 229--234. Wermke, M., 1975. Effect of temperature and rainfall on the range of crude protein of fodder plants. Wirtschaftseigene Futter, 21(2): 141--150 (in German). Xylander, W. and Roth, D., 1975. Relationships between soil moisture content and plant yield on a clayey black earth in the central Thuringian basin. Arch. Acker Pflanzenbau Bodenkd., 19(6): 413--423 (in German).

298 EROSION Arutyunyan, Kh. S., 1975. Establishment of protection stands in Soviet Armenia. Lesn. Khoz., 7 : 5 4 - - 5 7 (in Russian). Bollinne, A., 1974. The erosion of loamy soils. General considerations. Preliminary estimation. Bull. Rech. Agron. Gembloux, 9(3): 353--369 (in French). Desai, B. N., 1975. Can the Indian desert be reclaimed? No! Bull. Indian Meteoro|. Soc., 5: 43--44. Dickerson, B. P., 1975. Stormflows and erosion after tree-length skidding on Coastal Plain soils. Trans. ASAE, 18(5): 867--868; 872. Elwell, H. A. and Stocking, M. A., 1976. Vegetal cover to estimate soil erosion hazard in Rhodesia. Geoderma, 15(1): 61--70. Lyles, L. and Allison, B. E., 1975. Wind erosion; uniformly spacing non-erodible elements, effects of wind direction variability. J. Soil.Water Conserv., 30(5): 2 2 5 - - 2 2 6 Mel'chanov. V. A. and Herrero, J., 1975. Method of calculating the width of waterabsorbing strips of forest around reservoirs in tropical conditions in Cuba. Lesovedenie, 6 : 7 4 - - 7 9 (in Russian). Nitu, T., 1975. Aspects of soil erosion in Spain. Prod. Veg. Cer. Plante Tehn., 27(9): 42--45 (in Romanian). Othieno, C. O., 1975. Surface runoff and soil erosion on fields of young tea. Trop. Agric., 52(4): 299--308. Quilty, J. A. and Wearne, A. H., 1975. Evaluation of a phase of extreme coastline erosion. J. Soil Conserv. Serv. N.S.W., 31(3); 179--192. Ramaiah, R. and Sreenivas, G. N., 1975. Rainfall erosion index of Bangalore agroclimatic area. Mysore J. Agric. Sci., 9(3): 448--453. Stocking, M. and Elwell, H., 1976. Vegetation and erosion: a review. Scott. Geogr. Mag., 92: 4--16. Westoby, J. C., 1975. China uses trees to halt sands. World Wood, 16(13): 20--22.

FIELD CROPS AND GRASS Arcila-Pulgarin, J., 1974. The effect of ultra-violet light on coffee seedlings in the nursery. Cenicafe, 25(3): 90--92 (in Spanish). Bose, T. K., 1974. Effect of temperature and photoperiod on growth, flowering and seed formation in tossa jute. Indian J. Agric. Sci:, 44(1): 32--35. Cable, D. R., 1975. Influence of precipitation on perennial grass production in the semidesert southwest. Ecology, 56(4): 981--986. Curry, D. B., Baker, C. H. and Streeter, J. G., 1975. SOYMOD 1: a dynamic simulator of soyabean growth and development. Trans~ ASAE, 18(5): 963--968, 974. Denton, O. A. and Whittington, W, J., 1976. Varietal responses to temperature in swedes. Ann. Bot., 40(165): 129--136. Duncan, D. A. and Woodmansee, R. G., 1975. Forecasting forage yield from precipitation in California's annual rangeland. J. Range Manage., 28(4): 327--329. Fribourg, H. A. et al., 1975. Performance of selected silage and summer annual grass crops as affected by soil type, planting date, and moisture regime. Agron. J., 67(5): 643--647. Hadfield, W., 1975. Shade in North-East Indian tea plantations, 1. The shade pattern. Two Bud, 22(1): 34--60. Hearn, A. B., 1976. Response of cotton to nitrogen and water in a tropical environment, 3. Fibre quality. J. Agrie. Sci. (U.K.), 86(2): 257--269. Huxley, P. A., Summerfield, R. J. and Hughes, A. P., 1976. Growth and development of a soyabean as affected by tropical daylengths, day/night temperatures, and nitrogen nutrition. Ann. Appl. Biol., 82fi): 117--133.

299 Hylmo, B. et al., 1975. The heat balance in a potato pile, 1. The influence of the latent heat of the removed water; 2. The temperature distribution at intermittent ventilation. Acta Agric. Scand., 25(2): 88--91. Inosaka, M. et al., 1975. Effects of temperature and daylength on the growth of Dallis grass and Bahia grass. Bull. Fac. Agric. Miyazaki Univ., 22(1): 21--29 (in Japanese). Iwakiri, S., 1975. Regional differences in characteristics of soyabean plant growth in Japan. J. Agric. Meteorol., 31(2): 83--87 (in Japanese). Jain, N. K., 1974. Patterns of area change in open grasslands during rainy season. J. Indian Bot. Soc., 53(1/2): 34--40. Joham, H. E. and Rowe, V., 1975. Temperature and zinc interactions on cotton growth. Agron. J., 67(3): 313--317. Kishi, H., 1975. Studies on competition between grasses and legumes in mixed swards, 6. Effects of growth stage and temperature on the upward growth of orchardgrass and Ladino clover in summer. Proc. Crop Sci. Soc. Jpn.,44(3): 306--311 (in Japanese). Mondragon, R. L. and Ports, H. C., 1974. Field deterioration of soyabeans as affected by environment. Proc. Assoc. Off. Seed Anat., 64: 63--71. Murtagh, P. J., 1975. Environmental adaptation of kikuyu. Agric. Gaz. N.S.W., 86(5): 4. Ovezmuradov, S. O. and Bairamov, A., 1975. Effect of cutting dates on intensity of seed formation in lucerne. Izv., Akad. Nauk Turkm. S.S.R., Biol. Nauk, 5 : 4 6 - - 4 9 (in Russian ). Percy, H. C., 1975. Factors affecting cotton production in western Tanzania. Cotton Growing Rev., 52(4): 253--277. Perombelon, M. C. M., 1975. Observations on the survival of potato groundkeepers in Scotland. Potato Res., 18(2): 205--215. Pollock, C. J. and Ap Rees, T., 1975. Effect of cold on glucose metabolism by callus and tubers of S o l a n u m tu b e r o s u m . Phytochemistry, 14(9): 1903--1906. Ponomarev, A. Ye., 1975. Chemical conservation of fresh fodders under unfavourable weather conditions. Khim. Sel'sk. Khoz., 13(1 ): 54--55 (in Russian). Pryanishnikov, S. and Alimaev, I., 1975. Summer-autumn pastures of South Balkhash. Korma, 5 : 3 9 (in Russian). Raper, C. D. et al., 1975. Temperatures in early post-transplant growth; influence on leaf and floral initiation in tobacco. Crop Sci., 15(5): 732--733. Rauseo, M. H., Vives, F. L. and Chacoh, Z. A., 1975. Climatic requirements of beans. Estac. Exp. Agric. "Fabio Baudrit M", Bol. Tec., 8(2): 22 pp. (in Spanish). Rollier, M., 1975. Study of the water requirements of sunflower. Inf. Tech,, 4 5 : 1 - - 3 9 (in French). Sakuratani, T., 1974. Temperature environment in the air layer over adzuki bean and pasture fields. J. Agric. Meteorol., 30(3): 141--149 (in Japanese). Sanchez-Diaz, M., Salaverri, J. and Grau, J., 1974. Effect of water stress on carbohydrate content and yield of potato. An. Edafol. Agrobiol., 33(11/12): 967--977 (in Spanish). Saraf, C. S. and Ahlawat, P. S., 1975. Review of recent research on pulse crops, 4. Water management. Indian J. Agric. Res., 9(1/2): 1--6. Seneca, E. D., 1974. Seedling response to photoperiod and thermoperiod by salt meadow cordgrass from Ocracoke Island, North Carolina. Chesapeake Sci., 15(4): 230--232. Shaha, S. K. and Banerjee, J. R., 1975. Influence of rainfall, humidity, sunshine, maximum and m i n i m u m temperatures on the yield of cotton at Coimbatore. Indian J. Meteorol. Hydrol. Geophys., 26: 518--524. Smith, R. C. and Stephens, M. J., 1976. Importance of soil moisture and temperature on growth of improved pasture on the Northern Tablelands of New South Walez. Austr. J. Agric. Res., 27(1): 63--70. Snoad, B. and Arthur, A. E., 1976. The use of regression techniques for predicting the response of peas to environment. Theor. Appl. Genet., 47(1): 9--19. Tabin, S., Berbec, S. and Dziamba, S., 1974. Effect of the moisture content of very fine sandy and rendzina soils on soyabean yields. Biul. Inst. Hodowli Akllm. Rosl., 5/6:

300 97--103 (in Polish). Thanh, V., 1975. Researches on meteroiogical yield analysis of potatoes. D.D.R. Meteor(~i Dienst., Abl~., 15(114): 59--02 (ia German). Toutain, B. et al., 1974. Establishment of a ranch on pasture land in Upper Volta, Leo Region. Etud. Agrostob., Inst. Elev. Med. Vet. Pays Trop., 4 0 : 1 9 5 pp. (in French). Vitkov, M., 1975. Water L'equirements of Phaseolus vulgaris grown on podzolized chernozem in northeastet'n Bulgaria. Rast. Nauki, 12(1 ): 100--104 (in Bulgarian ). Young, J. A., Evans, R. A. and Kay, B. L., 1 9 7 5 Germination of Italian ryegrass seeds. Agron. J., 67(3): 386--389. Zoizde, E. K., 1975. Effect of ['ertilizer rates on correlation coefficients between tuber yields of potatoes and meteorological factors (rainfall, temperature) Tr. Vses. Inst. Gidrometeorol. Inf.--Mirovoi Tsent. Dannykh, 1 4 : 1 2 0 - - 1 2 8 (in Russian). FOREST METEOROLOGY Bonnet-Masimbert, M., 1975. Effect of the temperature of extraction on the germination and storage of seeds of Pinus pinaster. Rev. For. Fr., 27(3): 196--200 (in French). Christensen, O., 1975. Wood litter fall in relation to abscission, environmental factors, and the decomposition cycle in a Danish Oak forest. Oikos, 26(2): 187--195. Cline, R. G., 1975. Seasonal, diurnal and spatial water use and water relations of selected forest species. Diss. Abstr. Int., B, 35(10): 4748. Day, R. J. and MacGillivray, G. R., 1975. Root regeneration of fall-lifted White Spruce nursery stock in relation to soil moisture content. For. Chron.~ 51(5~: 196--199. Fasehun, F. E., 1975. Effect of light intensity on growth, photosynthesis, and nitrate reductase in hybrid Poplars. Diss. Abstr. Int., B, 36(5): 1988. Flemming, G., 1976. On the analysis of precipitation in wooded areas--a case study in the Wernesbach area. Z. Meteorol., 26:67---73 (in German). Gietl, G. and Mayer, H., 1976: The effective temperature in the sub-crown layer of a Spruce forest. Z. Meteorol., 2 6 : 7 4 - - 7 8 (in German). Hodges, J. D. and Lorio, P. L., 1975. Moisture stress and composition of zylem oleoresin in Loblolly pine. For. Sci., 21(3): 283--290. Kaufmann, M. R., 1975. Leaf water stress in Engelmenn Spruce. Influence of the root and shoot environments. Plant Physiol., 56(6): 841--844. Lebedeva, M. G. et al., 1974. The transmission of radiation beneath the canopy of a forest stand. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 397--399 (in Russian). Lepekhin, V. N., 1975. The change in environmental factors caused by thinnings. Nauch. Tr. Mosk. Cesotekh. Inst., 6 8 : 7 0 - - 7 5 (in Russian). Libby, L. M. et al., 1976. Isotopic tree thermometers. Nature (London), 261: 284--288. Machno, P. S., 1975. Modelled and observed storage and transport of rainwater in a Douglas fir ecosystem. Diss. Abstr. Int., B, 35(7): 3125--3126. March, W. J. and Skeen, J. N., 1976. Global radiation beneath the canopy and in a clearing of a suburban hardwood forest. Agric. Meteorol., 16(3): 321--328. Menghini, A. and De Capite, L., 1974. The distribution of Quercus ilex in Umbria. Ann. Fac. Agrar. Univ. Perugia, 29:1.03--121 (in Italian). Nilov, V. N., 1975, Use of black plastic film as a mulch in growing trees and shrubs in nurseries. Lesn. Khoz., 4 : 1 2 - - 1 4 (in Russian). Pennypacker, S. P. et al., t 975. Thermat conductivity of a Red Pine forest floor. Proc. Soil Sci. Soc. Am., 39(5): 973--978. Rauner, Yu. L. and Gelenko, E. P., 1974. Characteristics of the attenuation of radiative flux by the canopy of a spruce stand. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 197 2. Gidrometeoizdat, Leningrad, pp. 394--396 in Russian). Roussel, L., 1976. Photology; a new branch of forestry science. Phytotron. Newslett., 12/13: 29--32.

301 Sarvas, R., 1974. Investigations on the annual cycle of development of forest trees, 2. Autumn dormancy and winter dormancy. Metsantutkimuslaitoksen Julk., 84(1): 101 pp. Shoulders, E. and Ralston, C. W., 1975. Temperature, root aeration and light influence slash pine uptake rates. For. Sci., 21(4): 401--410. Specht, R. L. and Brouwer, Y. M., 1975. Seasonal shoot growth of eucalyptus in the Brisbane area of Queensland (with notes on shoot growth and litter fall in other areas of Australia). Austr. J. Bot., 23(3): 459--474. Torrenueva, A. L., 1975. Variation in mineral flux to the forest floors of a pine and a hardwood stand in the Georgia Piedmont. Diss. Abstr. Int., B, 36(5): 2049. Ulrich, B., 1975. Environmental influences on the nutrient regime of a beech forest on acid soil. Forstwissen. Centralbl., 94(6): 280--287 (in German). Van der Zel, D. W. and Kruger, F. J., 1975. Results of the multiple catchment experiments at the Jondershoek research station, South Africa, 2. Influence of the protection of fynbos on stream discharge in Langrivier. For. S. Afr., 16: 13--18. Veiga, A. de A., 1975. Limiting factors for Pinus elliottii. Bras. Florestal, 6(22): 30--32 (in Portuguese). Vygodskaya, N. N., Sazonova, S. G. and Shul'gin, I. A., 1974. The radiation regime within a spruce crown. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 384--389 (in Russian). Vygodskaya, N. J., Zolotokrylin, A. N. and II'kun, L. I., 1974. Analysing the time structure of the field of radiation in a forest canopy. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 374--378 (in Russian ). Vygodskaya, N. N., Zukert, N. V. and Sadovnichya, Ye. A., 1974. Types of curves for the distribution of radiation under a forest canopy. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 378--379 (in Russian). Waring, R. H. et al., 1975. Environmental limits of an endemic spruce, Picea breweriana. Can. J. Bot., 53(15): 1599--1613. Zolotokrylin, A. N., 1975. Micrometerological investigations in conifer stands in the Moscow region. Lesovedenie, 5 : 3 - - 1 1 (in Russian). FROST Bakumenko, N. I. et al., 1974. Effect of spring and autumn frosts on yield and sowing qualities of seeds of spring wheat. In: Voprosy Povysheniya Produktivnosti Zernovykh Kul'tur, Irkutsk, pp. 126--129 (in Russian). Bootsma, A., 1976. Estimating m i n i m u m temperature and climatological freeze risk in hilly terrain. Agric. Meteorol., 16(3): 425--444. Gill, D., 1975. Influence of White Spruce trees on permafrost-table microtopography, Mackenzie River Delta. Can. J. Earth Sci., 12(2): 263--272. Goldthwait, R. P., 1976. Frost-sorted patterned ground; a review. Quart. Res., 6: 27--35. Loch, J. P. and Miller, R. D., 1975. Tests of the concept of secondary frost heaving. Proc. Soil Sci. Soc. Am., 39(6): 1036--1041. Orbeck, K., 1974. Frost protection during tobacco plant growing by means of infra-red film. Tabakpflanz. Osterr., 25(69): 4--5 (in German). Salac, S. S. and Palmer, L. T., 1975. Evaluation, winter protection, and disease studies of roses in Nebraska. Nebr. Univ. Inst. Agric. Nat. Resour., SB 5 3 6 : 1 0 pp. Schiffmann-Nadel, M. et al., 1975. Frost injury predisposes grapefruit to storage rots. Phytopathology, 65(5): 630. Schipfer, L., 1974. Cold tolerance of tobacco seedlings. Tabakpflanz. Osterr., 25(69): 5--8 (in German). Sisson, R. F., 1976. Frost, nature's icing. Nat. Geogr. Mag., 149: 398--405.

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meteoizdat, Leningrad, pp. 340--343 (in Russian). Guckel, W. and Synnatsehke, G., 1975. Techniques for measuring the wetting of Leaf s u r faces. Pestle. Sci., 6(6): 595--603. Hagen, E., 1976. A simple and multi-purpose radiation measuring instrument. Z. Meteoro]. (Berlin), 2 6 : 5 3 - - 5 5 (in German!. tfirota, O., Takeda, T. and Saito, Y., 1975. Studies on the utilization of solar radiation by crop stands, 1. A photosynthetically active solarimeter designed for use in a leaf canopy. Proc. Crop Sei. Soc. Jpn., 44(3): 357--363 (in Japanese). Hutehison, B. A., 1975. Photographic assessment of deciduous forest radiation regimes. Diss. Abstr.,Int., B, 36(5): 2046 Hypponen, M. et al., 1976. GEODALO, a geophysical data logger. Finn. Meteoroi. lnst., Teeh. Rep., 1 0 : 2 5 pp. Janiszewski, F., 1975. Question of psyehometrie tables. Wiad. Meteorol. Gospod. Wod., 2(1): 53--60 (in Polish). Jayaweera, K. O. and Ahinas, K., 1974. Deteetion of thunderstorms from satellite data for forest fire control. J. For., 72: 767--770. Kasatkina, O. I., 1974. Improving the aceuracy of standard instruments for the measurement of direct solar radiation. In: Proceedings of the IXth All-Union Conference on Aetinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 296--300 (in Russian). Katre, R. K. et al., 1974. Comparative performance of gypsum and terylene units for measurement of soil moisture. JNKVV Res. J., 8(3/4): 170--172. Klevantsova, V. A., 1974. The accuracy of pyrheliometers in measuring radiation. In: Proceedings of IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 301--303 (in Russian). Kondrat'yev, K. Ya. et al., 1974. Experience in carrying out a total radiation experiment. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972, Gidrometeoizdat, Leningrad, pp. 35--37 (in Russian). Kononchuk, G. L., 1974. The measurement of photosynthetically active radiation. In: "Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 447--457 (in Russian). Konstantinov, A. R. et al., 1974. Methods for computing the temperature of the underlying surface, and comparison of the results with the radiation temperature of the surface. In: Proceedings of IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 360--364 (in Russian). Kyarner, O. Yu., 1974. Auto-regressional model for forecasting hourly amounts of total radiation. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Godrometeoizdat, Leningrad, pp. 119---121 (in Russian). Kyuchukova, M. I., 1976. On the statistical structure of the field of air humidity deficits. Khidrol. Meteorol. (Sofia), 25(1 ): 38--48 (in Bulgarian). Laing, J., 1976. Averages of temperature, 1941--70, for short-period stations in the United Kingdom. Meteorol. Off. U.K., Climatol. Memo., 7 8 : 2 3 pp. Lamb, P., 1976. Rainfall frequencies. Feuill, Meteorol., Que., 15: 5 - 8 . Lazarev, D. N. and Dement'yeva, T. N., 1974. Integral measurements of natural ultaviolet radiation. In: Proceedings of IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 250--254 (in Russian). Longinov, V. F., 1974. Variation of the solar constant, and solar activity. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 172--175 (in Russian). L~vova, O. S., 1974. The relative duration of sunshine as a cloudiness characteristic. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 176--177 (in Russian). McCree, K. J., 1976. A comparison of experimental and theoretical spectra for photosynthetically active radiation at various atmospheric turbidities. Agric. Meteorol., 16(3): 405--412.

305 Mooly, D. A., lg75. Vagaries of the Indian summer monsoon during the last ten years. Bull. Indian Meteorol., Soc., 5: 65. Nezval, Ye. I., 1974. Determining the direct ultra-violet radiation at different altitudes in the mountains of the southern Soviet Union. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 269--272 (in Russian). Nikol'skiy, G. A. and Safronova, M. M., 1974. The effect of atmospheric tubidity on the accuracy of determining the constants of actinometric instruments. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 324--329 (in Russian). Nowakowski, W.et al., 1974. Solar radiation intensity in 1973 and 1974 measured by Kipp's solarimeter in Radzikow. Biul. Inst. Hodowli Aklim. Rosl., 5 / 6 : 1 6 1 - - 1 6 4 (in Polish). Ouellet, C. E., 1975. Soil and air temperatures at Ottawa. Agric. Can., Publ., 1 5 4 1 : 2 9 pp. Palland, C. L., 1975. Measurement of atmospheric infra-red radiant flux and testing of some empirical formulae for estimating this flux. In: D. A. de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Atmosphere, 1. Wiley, London, pp. 345--365. Paniashvili, M. S. 1974. A high-sensitivity absolute pyrheliometer. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 312--315 (in Russian). Peguy, C. P., 1976. A new graphical expression of the interannual variability of climates; the calendars of probabilities. Bull. Assoc. Geogr. Fr., 4 3 1 : 5 - - 1 6 (in French). Polyakova, Ye. A., 1974. Results of actinometric observations using narrow-band filters for different values of atmospheric humidity. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 214--219 (in Russian). Pickup, M. N., 1976. Extreme values of grass m i n i m u m depressions at West Raynham. Meteorol. Mag., 105: 184--187. Pivovarova, Z. I., 1974. Some problems in the structure of time series for the field of solar radiation. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 152--157 (in Russian). Ratnam, B. P., Hedge, D. M. and Joshi, S. N., 1975. Frequency and probability of dry spells at Dharwar. Ann. Arid. Zone, 14(3): 201--205. Rodskjer, N., 1975. Thermoelectric thermometers for measurement of social temperature in crops. Swed. J. Agric. Res., 5(1): 23--26. Ross, Yu. K., 1974. Current problems in phyto-actinometry. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 30--34 (in Russian). Rossi, V., 1976. Results of radiation measurements in Finland during the years 1958-1976. Suom. Meteorol. Vu0sik. Liite Nide, 4(1969--1970): 26 pp. Rusin, N. P. and Vinnikov, K. Ya., 1974. The need for surface-based actinometric data, and the rationalization of the system of actometric observations. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 14--25 (in Russian). Sabeva, M., 1976. Statistical structure of the precipitation field in Bulgaria. Khidrpl. Meteorol., 25(1): 49--60 (in Bulgarian). Schone, W. and Sonntag, D., 1976. The shadow-ring correction for the pyranometer with an electroplated thermopile. Z. Meteorol. (Berlin), 2 6 : 4 8 - - 5 2 (in German). Stokesberry, D. P. and Hasegawa, S., 1976. Automatic digital microwave hygrometer. Rev. Sci. instr., 47: 556--558. Tavartkiladze, K. A., 1974. Possible errors in calibrating pyranometers in connection with variability in atmospheric spectral transparency. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 330--333 (in Russian).

306 Voytyuk, Ye. V. and Sklyarov, Yu. A., 1974. Estimating the edge effects of py~'heiiom~t.~ * radiation receivers. In: Proceedings of the IXth All-Union Conference Actinomct~'y Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 308--311 (in Russian). Weihe, J., 1974/5. Wetting and interception in stands of beech and spruce in Nordrheim Westfalen, 1. Rainfall recording in the open by rainfall recorders without wind protec tion; 2. Further studies to improve the recording in the open. Allg. Forst Jagdz, 145(1/2): 1--11, 30--40; 146(12): 236--240 (in German). White, E. J. and Lindley, D. K., 1976. The reduction of climatological data for ecological purposes; a preliminary analysis. J. Environ. Manage., 4: 161--182. Yeliseyev, A. A., 1974. The use oil photoelectric receivers for modelling the absorbing properties of the air. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 353--356 (in Russian). Zavodska, E. and Reichert, J., 1976. The global ultra-violet radiation in Bratislava. Meteorol. Zpravy, Prague, 29: l S - 1 9 (in Czech). IRRIGATION Bascur, B. G. and Fritsch, F. N., 1975. Effect of methods and frequency of irrigation on yield components of beans. Agric. Tecn., 35(3): 147--152 (in Spanish). Bhan, S. and Shankar, P., 1975. A note on response of potato to irrigation and nitrogen in central Uttar Pradesh. Indian J. Agric. Res., 9(1/2): 97--99. Borden, R. W., 1976. A method for determining the irrigation requirements in Antigua, W.I. Trop. Agric., 53(1): 41--45. Browning, G. and Fisher, N. M., 1975. Shoot growth in Coffea arabica, 2. Growth flushing stimulated by irrigation. J. Hortic. Sci., 50(3): 207--218. Byam, L. and Gumbs, F. A., 1975. Effect of irrigation and nitrogen on the dry matter and crude protein yields of Pangola digitgrass. Agron. J., 67(3): 365--369. Cheema, S. S. and Kaul, J. N., 1974. Response of wheat to irrigations at various cumulative pan evaporation values under nitrogen levels. J. Res. Punjab Agric. Univ., 11(2): 171--174. Constantin, R. J., Brown, R. T. and Braud, H. J., 1975. Citrus yield and quality as affected by sub-surface irrigation. J. Am. Soc. Hortic. Sci., 100(5): 453--454. Dale, A. B. and Read, J. W.. 1975. Irrigation of kikuyu pastures. Agric. Gaz. N.S.W., 86(5): 5. Debreczeni, B., 1974. Effect of irrigation and fertilizers on yield of some crops a n d nutrient uptake by them. Pochvoz. Agrokhim., 9(3): 37--42 (in Russian). E1 Nadi, A. H., 1975. Irrigation requirements of maize in a tropical environment. Acta Agron., 24(3/4): 423--430. Fogel, M. M., Duckstein, L. and Kisiel, C. C., 1976. Optimum control of irrigation water application. J. Hydrol., 28(2/4): 343--358. Fregoni, M., 1975. Vineyard irrigation; physiological, biochemical, genetic, agronomic, technological and economic problems. Vignevini, 2(5): 9--16 (in Italian). Gorbet, D. W. and Rhoads, F. M., 1975. Response of two peanut cultivars to irrigation and Kylar. Agron. J., 67(3): 373--376. Gubanov, P., 1975. Soyabean as a source of protein. Effect of irrigation. Korma, 6: 38-39 (in Russian). Hilgeman, R. M., 1974. Irrigation of Valencia orange trees by wetting alternate sides. In: I Congreso Mundial de Citricultura, 1973, 1: 265--269. Holstener-Jorgensen, H. and Holmsgaard, E., 1975. Fertilization and irrigation of young Norway spruce on sandy soil. For. Forsogsv. Danmark, 34(3): 263--270. Hughes, H. M., 1976. Irrigation experiments on black currants, 1965--69. Expl. Hortic., 28: 51--56. Howell, T. A., Hiler, E. A. and Reddell, D. L., 1975. Optimization of water use efficiency under high-frequency irrigation, 2. System simulation and dynamic programming.

307 Trans. ASAE, 18(5): 879--887. Jimenez, M. R. et al., 1974. Review of irrigation systems used in citrus orchards of southeastern Spain. In: I Congreso Mundial de Citricultura, 1973, 1: pp. 271--275 (in Spanish ). Kaniszewski, S. and Jagoda, J., 1975. The effects of irrigation, increasing rates of mineral fertilizers, and plant spacing on the yield of late cabbage. Biul. Warzywniczy, 17: 165-179 (in Polish). Kumar, P., 1975. Evaluation of water use and management in Ayacut area of Orissa. Indian.J. Agric. Res., 9(1/2): 71--76. Lifanenkova, T. P., 1975. Effect of irrigation on yield and water consumption by promising winter wheat cultivars in the steppe zone of Kabardino-Balkar A.S.S.R. Dokl. Mosk. Skh. Akad., 2 0 8 : 1 7 1 - - 1 8 1 (in Russian). Marsh, A. W., 1974. Irrigation scheduling for drip irrigated orchards. In: I Congreso Mundial de Citricultura, 1973, 1: pp. 283--285. Metelerkamp, H. R., 1975. Irrigation scheduling by means of Class A pan evaporation. Rhod. Agric. J., Tech. Bull., 1 6 : 3 5 pp. Mozheiko, A. M. et al., 1975. Effect of irrigation with sewage water on yield and quality of peavine. Tr. Khar'k. Skh. Inst., 2 0 5 : 7 5 - - 8 2 (in Russian). Musick, J. T. and Dusek, D. A., 1975. Limited irrigation of grain sorghum in alternating strips with wheat. Trans. ASAE, 18(3): 544--548. Natali, S. and Xiloyannis, C., 1975. The irrigation of peach trees. A comparison of three methods in a two-year trial. Ital. Agric., 112(9): 112--123 (in Italian). Noel, J. et al., 1975. Effect of water quality and irrigation frequency on f-arm income in the Imperial Valley. Calif. Agric., 29(11 ): 12--14. Ovsyannikov, N. N., 1975. Effectiveness of fertilizers and irrigation applied to lucerne for seed production. Agrokhimiya, 5 : 8 2 - - 8 6 (in Russian). Pehrson, J., 1975. Irrigation of citrus with water use estimates. Citrograph, 60(6): 183-184; 204. Richter, W., 1975. The effect of different moisture supplies as a result of irrigation on the yield of moderately early potatoes, fodder beet, lucerne and spring barley on a thick loamy Fahlerde. Arch. Acker Pflanzenbau Bodenkd., 19(7): 521--530 (in German ). Sachs, R. M., Kretchun, T. and Mock, T., 1975. Minimum irrigation requirements for landscape plants. J. Am. Soc. Hortic. Sci., 100(5): 499--502. Satuvov, T., 1976. Sprinkler irrigation is better. Zemledelie, 5 : 7 6 - - 7 7 (in Russian). Schubert, K., 1975. Investigations on the Schardakow method for controlling sprinkler irrigation. Arch. Acker Pflanzenbau Bodenkd., 19(11 ): 837--848 (in German). Singh, U. B. and Tomar, P. S., 1974. A note on border and furrow irrigations in clay soils of the Chambal area. Ann. Arid Zone, 13(4): 374--376. Sipos, G. and Paltineanu, R., 1975. Water use and irrigation regime for the principal agricultural crops. Prod. Veget. Cereal. Plant. Techn., 27(5): 3--9 (in Romanian). Srivastava, S. P. and Bansal, O. N., 1975. Effect of delaying of first irrigation in dwarf wheat on mixed plack soils. Sci. Cult., 41(7): 325--326. Storer, J. R., 1976. Irrigation helps former pastoralists in arid Kenya. World Crops, 28(2): 56--58, 60. Stylianou, Y., 1974. Irrigation requirements of Valenciaoranges as affected by the frequency of water application. Cyprus Agric. Res. Inst., Tech. Bull., 16:20 pp. Tries, B., 1975. Minimizingthe variablecosts of sprinkler irrigation by the use of the theory of storage. Landbauforsch. Volkenrode, 25(3): 187--191 (in German). Unrath, C. R., 1975. Makingthe most of overtree irrigation. Am. Fruit Grower, 95(I0): 9--10. Woolf, W. F. and Leary, P. D., 1976. Is irrigation of soyabeansprofitable on the Macon Ridge? La. Agric., 19(2): 14--15.

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309 European territory of R.S.F.S.R. Tr. Gidrometeorol. Nauchno-Issled. Tsentr. S.S.S.R., 1 5 4 : 1 2 9 - - 1 3 7 (in Russian). Jean, C. et al., 1975. Fine structure of natural falls of hail. Project Languedoc, summer 1974. Rech. Prevent. Grele, Valence, Rapp. Tech., 1 9 : 1 0 9 pp. (in French). Mizutani, T., 1976. Relation between magnitude and frequency of natural disasters caused by storm and earthquake. Natl. Res. Cent. Disast. Prevent., Tokyo, Rep., 1 3 : 1 5 - - 3 0 (in Japanese). Muller, W., 1976. Decline of hail damage in Styria through active hail prevention? Wetter Leben, 2 8 : 1 9 - - 2 7 (in German). Patch, D., 1975. Support against the elements. Gard. Chron., 178(23): 32--33, 35. Prodi, F., 1976. Hailstorms in the Po valley of northern Italy, 1962--1973. Riv. Ital. Geofs. Sci. Affini, 3: 21--31. Quinn, S. J., 1976. Hail over the Free State on 28 December, 1975. Weather Bur. Pretoria, Newslett., 3 2 4 : 4 1 - - 4 7 (in Afrikaans). Ripley, E. A., 1976. Drought in the Sahara; insufficient biological feedback? Science (U.S.) 191(4222): 100. Williams, D. J. and Moser, B. C., 1976. Airborne sea salt sedimentation measurements and a method for reproducing ambient sedimentation rates for the study of its effect on vegetation. Atmos. Environ., 10: 531--534. MICROMETEOROLOGY AND BIOLOGICAL PHYSICS Aikin, W. J. and Hanan, J. J., 1975. Photosynthesis in the rose; effect of light intensity, water potential and leaf age. J. Am. Soc. Hortic. Sci., 100(5): 551--553. Allmaras, R. R. et al., 1975. Soyabean and corn rooting in southwestern Minnesota, 1. Water-uptake sink: 2. Root distribution and related water flow. Proc. Soil Sci. Soc. Am., 39(4): 764--771; 771--777. Bergen, J. D., 1975. An approximate analysis of the m o m e n t u m balance for the airflow in a pine stand. In: D. A. de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Biosphere, 1: Wiley, London, pp. 287--298. Bibik, V. V. and Fan Bak Nik, 1974. The role of solar energy on the formation of the thermal regime of soil sown with maize. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 437--441 (in Russian). Bielorai, H. and Hopmans, P. A., 1975. Recovery of leaf water potential, transpiration, and photosynthesis of cotton during irrigation cycles. Agron J., 67(5): 629--632. Bokov, G. S. et al., 1974. Taking account in phytoactinometry of optimum photosynthesis temperatures and of the photosynthetic and thermal efficiency of radiation. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 449--454 (in Russian). Bret, J. P., 1975. Comparative studies on the regeneration potential of Coprinus congregatus carpophores developed under different temperature and light conditions. Biol. Plant., 17(5): 347--351 (in French). Burikov, Ye. A. and Mastropas, V. G., 1974. Static and dynamic regimes of radiation measurements in a plant cover. In: Proceedings of the IXth All-Union Conference t, on Actmometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 402--406 (in Russian ). Nurstom, H. (9., 1975. Growth and water conditions in etiolated Pisum stems. Z. Pflanzenphysiol., 75(1): 53--66. Chernyshev, V. D., 1975. Spectral reflection of light by leaves of some woody species of Soviet Far East. Lesovedenie, 6 : 6 3 - - 6 7 (in Russian). Dalton, F. N. et al., 1975. Simultaneous uptake of water and solutes by plant roots. Agron. J., 67(3): 334--339.

310 El[iott, M. W., 1975. Light-controlled leaf expansion in peas grown under different ligh ~, conditions. Plant Physiok, 55 ( t t: 717 -719. Elston, J. et al., 1976. The water relations of a field bean crop. Phil. Trans. R. Soc~ Lond., B, 273(927): 581---591. Erlandsson, G., 1975. Rapid effects on ion and water uptake induced by changes of water potential in young wheat plants: Physiol. Plant., 35(3): 256--262. Fedyushin, A. A. and Bedenko, \/~ P., 1974. Research on conversion coefficients for deriving the photosynthetically active radiation from the total radiation in southeast Kazakhstan. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 455---458 (in Russian). Furukawa, A., 1975. Comparison of the photosynthesis, post-illumination CO: outburst, and CO 2 compensation in poplar varieties, sunflower and bean. J. Jpn. For. Sot., 57(8): 268--274. Giles, K. L. et al., 1976. Effects of water stress on the ultrastructure of leaf cells of Sorghum bicolor. Plant Physiol., 57(1): 1 1 - 1 4 . Gulyayev, B. I. and Aerov, I. L., 1974. The effect of particular bands of the visible spec ~ trum on the assimilation of CO: by plants and the spectral sensitivity of receivers for photosynthetically active radiation. In: Proceedings of the All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 442--446 (in Russian). Gusta, L. V. et al., 1975. Determination of unfrozen water in winter cereals at subfreezingtemperatures. Plant Physio., 56(5): 707--709. Habermann, H. M., 1974. Light reactions of stomatal opening: possible involvement of phytochrome. R. Soc. N.Z. Bull., 12: 445--453. Hall, A. E. and Yermanos, D. M., 1975. Leaf conductance and leaf water status of sesame strains in hot dry climates. Crop Sci., 15(6): 789--793. Haseba, J., 1974. Mass transfer across the boundary layer on plant leaves, 1. Preliminary study of water vapour transfer from a leaf-like flat plate with separated evaporation sources. J. Agric. Meteor01., 30(2): 4 5 - 5 5 . Hull, H. M. et al., 1975. Environmental influences on cuticle development and resultant foliar penetration. Bot. Rev., 41(4); 421--452. Inoue, K. et al., 1975. Studies of energy and gas exchange within crop canopies, 10. Structure of turbulence in a rice crop. J. Agric. Meteorol., 31(2): 71--82. Jodo, S., 1975. Stomatal movement and water relations in crops, 3. Behaviour of stomata and transpiration in tobacco plants during and after drought with the aid of recording apparatus. Proc. Crop Sci. Soc. Jpn., 44(3): 166--171 (in Japanese). Kamota, F. et al., 1974. Studies on the photosynthesis and transpiration of vegetable crops. I. Differential response of crop photosynthesis and transpiration to soil moisture. Bull. Veg. Ornam. Crops Res. Stn., A, 1 : 1 0 9 - - 1 3 9 (in Japanese). Kerr, J. P. and Beardsell, M. F., 1975. Effect of dew on leaf water potentials and crop resistance in a Papsalum pasture. Agron. J., 67(5): 596--599. Koh, S. and Kumara, A., 1975. Studies on matter production in wheat, 2. CO 2 balance and efficiency of solar energy utilization in wheat stands. Proc. Crop. Sci. Soc. Jpn., 44(3): 335--342 (in Japanese). Leafe, E. L., Stiles, W. and Jones, M. B., 1975. The physiology of the sward in the field. Grassl. Res. Inst. (Hurley) Annu. Rep., 1974: 39--40. Ledent, J. F., 1974. Plant geometry, canopy architecture, and leaf angle in wheat. Diss. Abstr. Int., B, 35(2): 637. Legg, B. and Monteith, d., 1975. Heat and mass transfer within plant canopies. In: D. A: de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Biosphere, 1. Wiley, London, 167--186. Mahdi, A. A. and Habish, H. A., 1975. Effects of light and temperature on nodutation of cowpea hyacinth bean. J. Agric. Sci., U.K., 85(3): 417--425. Maki, T., 1975. Interrelationships between zero-plane displacement, aerodynamic roughness length, and plant canopy height. J. Agric. Meteorol., 31(1): 7--15. (in Japanese).

311 Marc, J. and Palmer, J. H., !976. Relationships between water potential and leaf and inflorescence initiation in H e l i a n t h u s a n n u u s . Physiol. Plant., 36(1 ): 101--104. Molz, F. J., 1975. Potential distributions in the soil-root system. Agron. J., 67(5): 726-728. Naylor, D. G. and Teare, I. D., 1975. An improved, rapid field method to measure photos:~nthesis with '4CO~. Agron. J., 67(3): 404--406. Neilson, R. E. and Jarvis, P. G., 1975. Photosynthesis in Sitka Spruce, 6. Response of stomata to temperature. J. Appl. Ecol., 12(3): 879--891. Norman, J. M., 1975. Radiative transfer in vegetation. In: D. A. de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Biosphere, 1. Wiley, London, pp. 187--205. Norman, J. M. and Jarvis, P. G., 1975. Photosynthesis in Sitka Spruce, 5. Radiation penetration theory and a test case. J. Appl. Ecol., 12(3): 839--878. Obridgewitsch, R. P. et al., 1975. Estimating relative leaf water content with a simple beta gauge calibration. Agron. J., 67(5): 729---732. Ogawa, T., 1975. Two steps of gas exchange in leaf photosynthesis. Physiol. Plant., 35(2): 91--95. Parc, J. and Palmer, J. H., 1976. Relationship between water potential and leaf and inflorescence initiation in H e l i a n t h u s annuus. Physiol. Plant., 36(1 ): 101--104. Perrier, A., 1975. Methods of observation of heat and mass transfer in the lower atmosphere and in plant canopies. In: D. A. de Vries and N. H. Afgan (Editors), Heat and mass transfer in the Biosphere, 1. Wiley, London, pp. 229--249. Perrier, A., 1975. Net assimilation, water use and microclimate of a maize canopy, 6. Study of soil surface temperature beneath a maize canopy. Ann. Agron., 26(2): 139-157 (in French). Perrier, A. et al., 1975. Automatic measurements of energy balance of a crop. Examples of application. Ann. Agron., 26(1): 19--40 (in French). Peterson, W. L. and Mayo, J. M., 1975. Moisture stress and its effect on photosynthesis in D i c r a n u m p o l y s e t u m . Can. J. Bot., 53(24): 2897--2900. Platt, S. G. et al., 1976. Analysis of steady-state photosynthesis in alfalfa leaves. Plant Physiol., 57(1): 69--73. Pomeroy, M. K. and Andrews, C. J., 1975. Effect of temperature on respiration of mitochondria and shoot segments from cold-hardened and non-hardened wheat and rye seedlings. Plant Physiol., 56(5): 703--706. Prakesh, O., 1974. Water potential gradients and resistances in a soil--plant system as affected by soil-water potential. Diss. Abstr. IntJ, B: 1148--1149. Rabe, D. L. and Currance, H. D., 1975. Air flow resistance and density of alfalfa leaves. Trans. ASAE, 18(5): 932--934; 938. Rasmussen, O. S., 1976. Water stress in plants, I. Abscissic acid level in tomato leaves after a long period of wilting. Physiol. Plant., 36(2): 208--212. Rauner, Yu. L., 1974. Statistical characteristics of the radiation regime of plant canopies. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 368--373 (in Russian). Ripley, E. and Saugier, B., 1975. Energy and mass exchange of a native grassland in Saskatchewan. In: D. A. de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Biosphere, 1. Wiley, London, pp. 311--325. Ross, J. and Nilson, T., 1975. Radiation exchange in plant canopies. In: D. A. de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Biosphere, 1. Wiley, London, pp. 327--336. Sadeh, W. Z., 1975. Simulation of flow above forest canopies. In: D. A. de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Biosphere, 1. Wiley, London, pp. 251--263. Sakuratani, T., 1974. Temperature environment in the air layer above adzuki bean and pasture fields. J. Agric. Meteorol., 30(3): 141--149 (in Japanese). Samarina, N. N., 1974. Some radiation characteristics of grass cover in wooded steppe.

3!2 In: Proceedings of the iXth All-Union Conference on Actinometry, Kiev, 19:; 2. Gidrometeoizdat, Leningrad, pp. 407--411 (in Russian). Schoch, P. G. and Zinson, C., 1975. Effect of shading on formation of stomata in flour cultivars of Vigna sinensis. Oecol. Plant., 10(2): 195--199 (in French). Schuepp, P. H. and Whi~e, K. D., 1975. Energy and mass transfer in vegetation by electrochemical analog. In: D :\. de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Biosphere, 1. Wiley, London, pp. 265--274. Shcherban, M. I. and Nong Khi Lok, 1974. The radiation regime of the elements of wooded steppe landscape, and microclimatic temperature contrasts between them. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 180--185 (in Russian). Sheehy, H. E. and Peacock, J. M., 1975. Canopy photosynthesis and crop growth rate of eight temperate forage grasses. ,]. Exp. Bot., 26(94): 679--691. Shimshi, D. and Ephrat, d., 1975. Stomatal behaviour of wheat cultivars in relation to their transpiration, photosynthesis, and yield. Agron. J., 67(3): 326--331. Shrotriya, G. C. et al., 1974. Moisture in relation to nitrogen metabolism in plants. Ann. Arid Zone, 13(4): 339--348. Sinclair, T. R., Allen, L. H. and Lemon, E. R., 1975. An analysis of error in the calculation of energy flux densities above vegetation by a Bowen-ratio profile method. Boundary-Layer Meteorol., 8(2): 129--139. Skladal, V. and Kadda, K., 1975. A contribution to studies on photosynthesis in hop plants with an infra-red analyser under field conditions. Rostl. Vyroba, 21(4): 373--378 (in Czech). Stone, L. R. et al., 1975. Grain sorghum canopy temperatures as influenced by clouds. Remote Sens. Environ., 4(2): 177--181. Takami, S. and Van Bavel, C. H., 1975. Distribution of carbon dioxide released in a field crop. J. Agric. Meteorol., 31(1): 29--42. Vaadia, Y., 1976. Plant hormones and water stress. Phil. Trans. R. Soc. Lond., B, 273 (927): 513--522. Verma, S. B. and Rosenberg, N. J., 1975. Accuracy of lysimetric, energy-balance, and stability-corrected aerodynamic methods of estimating above-canopy flux of CO:. Agron. J., 67(5): 699--704. Verma, S. B. and Rosenberg, N. J., 1976. Vertical profiles of CO 2 concentration in stable stratification. Agric. Meteorol., 16(3): 359--370. Wallach, D. and Gutman, M., 1976. Environment-dependent logistic equations applied to natural pasture growth curves. Agric. Meteorol., 16(3): 389--404. Wesley, W. K., 1974. Physiological response of corn and grain sorghum under moisture stress and during rewatering. Diss. Abstr. Int., B, 34(11): 5291. Williams, J., 1976. Dependence of root water potential on root radius and density. J. Exp. Bot., 27(96): 121--124. Wilson, J. R., 1975. Influence of temperature and nitrogen on growth, photosynthesis, and accumulation of non-structural carbohydrate in a tropical grass. Neth. J. Agric. Sci., 23(1): 48--61. Yabuki, K. and Hamotani, K., 1974. Studies on the effect of wind speed on photosynthesis, 4. Developing a new instrument for CO 2 flux measurement by an aerodynamic method, J. Agric. Meteorol., 30(2): 57--62 (in Japanese). Zolotokrylin, A. N. and Skulkin, V. S., 1974. Characteristics of the vertical profiles of the components of the radiation balance in established coniferous stands. In: Proceedings of the IXth All-Union Conference on Actinometry, Kiev, 1972. Gidrometeoizdat, Leningrad, pp. 390--393 (in Russian). PESTS Galkin, G. I., 1975. Outbreaks of Dendrolimus sibiricus and solar activity. Lesn. Khoz., 8 : 8 3 - - 8 5 (in Russian).

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Hayes, J., 1975. Seasonal changes in population structure of Culex pipiens quinquefasciatus; study of an isolated population. J. Med. Entomol., 12(2): 167--178. Hobza, R. F. and Jeppson, L. R., 1974. A temperature and humidity study of citrus rust mite employing a constant humidity airflow technique. Environ. Entomol., 3(5): 813-822. Ierusalimov, E. N., 1975. Change in the phytoclimate in foci of infestation by stem pests. Lesovedenie, 6 : 2 7 - - 3 6 (in Russian). King, E. G. and Martin, D. F., 1975. Lixophaga diatraeae: development at different constant temperatures. Environ. Entomol., 4(2): 329--332. Minks, A. K. and De Jong, D. J., 1975. Determination of spraying dates for Adoxophyes orana by sex phermone traps and temperature recordings. J. Econ. Entomol., 68(5): 729--732. Reed, D. K., 1974. Effects of temperature on virus-host relationships and on the activity of the non-inclusion virus of citrus red mites. J. Invert. Pathol., 24(2): 218--223. Shriner, D. S., 1975. Effects of acidic precipitation on host-parasite interactions. Proc. Am. Phytopathol. Soc., 1: 114. Van Steenwyk, R. A. and Stern, V. M., 1975. Air temperature modification in Lumite field cages in alfalfa hay. J. Econ. Entomol., 68(6): 795--796. Yakubovich, V. Ya., 1975. The effect of conditions under which eggs of Aedes are kept on hatching of larvae. Med. Parazitol. Parazit. Bolezni, 44(4): 438--443 (in Russian ). PHENOLOGY Ashton, D. H., 1975. Studies of flowering behaviour in Eucalyptus regnans. Austr. J. Bot., 23(3): 399--411. Campbell, R. K. and Sugano, A. I., 1975. Phenology of bud burst in Douglas Fir related to provenance, photoperiod, chilling and flushing temperature. Bot. Gaz., 136(3): 290-298. Chu, T. L. and Serapion, J. L., 1975. Effect of leaf shading on flowering processes of sugarcane. J. Agric. Univ. Puerto Rico, 59(3): 208--214. Gopal, N. H. et al., 1975. Physiological studies on flowering in coffee under South Indian conditions, 3. Flowering in relation to foliage and wood starch. Turrialba, 25(3): 239--242. Juang, J. C., 1975. Study on flowering habit in castor. Taiwan Agric. Q., 11(2): 100--114 (in Chinese). Li, C. S. and Chang, S. W., 1975. Observations on the characteristics of the flowering biology of spring wheat in the cold plateau region of Tsinghai. Acta Bot. Sinica, 17(4): 315--319 (in Chinese). Masarovicova, E. and Duda, M., 1975. Correlations among phenological phase~, climatic factors, and quantitative changes of chlorophylls in selected forest ecosystem plant species. Biologia (Bratislava), 30(10): 781--789. Okada, S., 1975. Geographic variation in Picea glehnii, 1. Differences in seedling height and bud-opening date among twelve seed sources. J. Jpn. For., 57(9): 305--310 (in Japanese). Reda, F. and Hkalil, S., 1975. Flowering of sugar beet in Egypt. Int. Sugar J., 924: 355-356. Teng, Y. T. and Hor, Y. L., 1975. Pattern of flowering seed development and seed yield of two varieties of groundnut. Malays. Agric. Res., 4(1 ): 45--52. PLANTPATHOLOGY Aust, H. J., 1974. The effect of temperature on infection of barley by powdery mildew. Z. Pflanzenkr. Pflanzenschutz, 81(10): 597--601 (in German),

Bert,'J. S. and Honma, S., t97~. Etlect of soil moisture and irrigation method ~:~,tipbur~ and edgeburn severity in greenhouse lettuce. J. Am. Soc. Hortic. Sei., 100(3): 272--2,~'_: Billing, E., 1974. The effect of temperature on t,he growth of the fireblight path,~e~l Appl. Bacteriol., 37(4): (543---648. Burchill, E. and Beever, D..J., 1975. Seasonal fluctuations in ascospore concentraLions oi Didymella applanala in t-elation to raspberry spur blight incidence. Ann. App[. Biol. 81(3): 299--304. Dabek, A. J., 1975. The incubation period, rate of transmission and effect of growth oJ coconut lethal yellowing disease in Jamaica. Phytopathol. Z., 84(1): 1--9. Hayes, A. J. and Manap Ahmad, A., 1975. The infection of Corsican Pine by Cr~lmenula sororia. Forestry, 48(2): 183--191. Hayes, R. J. and Manap Ahmad, Ck., 1975. The status of Crumenula sororia infections in crops of Corsican Pine. Eur. J. For. Pathol., 5(5): 257--266. Hewitt, H. G. and Ayres, P. G., 1975. Changes in CO 2 and water vapour exchange rates in leaves of Quercus ro bur infected by powdery mildew. Physiol. Plant Pathol.. 7 ( 2 ): 127--137. Kannaiyan, S. and Prasad, N. N., 1974. Effect of soil moisture on the influence of muskmelon wilt. Madras Agric. J., 61(1/2): 53--54. Kevin, R. and Webster, R. K., 1974. Effect of soil moisture and temperature on viability of sclerotia of Sclero tiu rn cryz~le. Phytopathology, 64(12 ): 1499--1502. Kono, T. and Sakai, Y., 1974. Studies on forecasting of mozaic disease occurrence on Japanese radish. Bull. Hiroshima Prefect. Agric. Exp. Stn., 3 3 : 3 9 - - 4 5 (in Japanese). Kranz, J. (Editor), 1974. Epidemics of Plant Diseases. Mathematical Analysis and Modelling (Ecological Studies, 13 ). Springer, Berlin, 170 pp. Marais, P. G. and Knox-Davies, P. S., 1974. Epidemiology of grapevine downy mildew in the Western Cape Province of South Africa. Phytophylactica, 6(3): 135--139. Oku, H. et al., 1975. The effect of temperature and humidity on the development of powdery mildew on grapevines~ Okayama Univ., Fac. Agric., Sci. Rep., 4 5 : 1 6 - - 2 0 (in Japanese ). Sewell, G. W., 1974. Environmental and fungal factors influencing Verticillium wilt of hop. Ann. Appl. Biol., 81(3): 443. Strider, D. L., 1975. Kalanchoe powdery mildew. N.C. Growers Bull., 19(4): 5--8. Taher, M. M. and Cooke, R. C., 1975. Shade-induced damping-off in conifer seedlings. New Phytot., 75(3): 567--578. Walkey, D. G. and Cooper, V. C., 1975. Effect of temperature on virus eradication and growth of infected tissue cultures. Ann. Appl. Biol., 80(2): 185--190. Whiteside, J. O., 1975. Biological characteristics of Elsinoe f a w c e t t i pertaining to the epidemiology of sour orange scab. Phtopathology, 65(10): 1170--1175. Yoshino, R. Yamaguchi, T., 1974. Influences of sunshine and shade conditions on the occurrence of rice blast. Bull. Hokuriku Natl. Agric. Exp. Stn., 16:61--1.19 (in Japanese ). POLLUTION Anonymous, 1976. Agriculture may be worse than fluorocarbons. New Sci., 70: 685. Blaskova, D. et al., 1976. First complex national experiment on the investigation of the atmospheric pollution in town conditions. Khidrol. Meteorol. (Sofia), 2 5 : 7 8 - - 7 9 (in Bulgarian ). Chakrabarti, A. G., 1976. Effects of CO and NO 2 on garden pea and string bean. Bull. Environ. Contam. Toxicol., 15(2): 214--222. Claussen, T., 1975. The reactions of plants to photochemical smog. Acta Phytomed., 3: 132 pp. (in German). Commins, B. T. and Hampton, L., 1976. Changing pattern in concentrations of polycyclic hydrocarbons in the air of central London. Atmos. Environ., 10: 561--562.

315 Dassler, H. G. et al., 1975. Phytotoxicity of road de-icing salts. Arch. Naturschutz Landschaftsforsch., 15 (2): 69--76 (in German). Davies, B. E. and Roberts, L. J., 1975. Heavy metals in soils and radish in a mineralized limestone area of Wales. Sci. Total Environ., 4: 249--261. Dorn, C. R. et al., 1976. Airborne lead, cadmium, zinc and copper concentration by particle size near a lead smelter. Atmos. Environ., 10: 443--446. Hanst, P. L., 1976. Optical measurements of atmospheric pollutants; accomplishments and problems. Opt. Quantum Electronics, 8: 87--93. Heidam, N. Z., 1975. Aircraft measurements of air pollution over Denmark and the North Sea. Riso, M. 1 8 1 3 : 2 8 pp. Impens, R., 1975. Problems concerning the growth of vegetation in polluted atmospheres. Ann. Gembloux, 8 1 : 1 5 - - 2 4 (in French). Ionov, V. A. et al., 1976. Mercury transfer in the atmosphere. Dokl. Akad. Nauk (Moscow), 228: 456-- 459 (in Russian). Ito, S. I., 1975. Histological responses of Japanese Red Pine needles exposed to SO 2. J. Jpn. For., 57(9): 300--304 (in Japanese). Jager, H. J. and Grill, D., 1975. The influence of SO s and HF on free amino acids of spruce Eur. J. For. Pathol., 5(5): 279--286 (in German). Joynt, R. C. and Blackman, D. R., 1976. A numerical model of pollutant transport. Atmos. Environ., 10: 433--442. Kronberger, W. and Halbwachs, G., 1975. The influence of hot-mix asphalt plants on vegetation with special reference to vapours from asphaltic bitumen. Eur. J. For. Pathol., 5(5): 267--274 (in German). Lakshman, G., 1975. Monitoring agricultural pollution using natural fluorescence. Water Resour. Res., 11(5): 705--708. McBride, J. R., Semion, V. P. and Miller, P. R., 1975. Impact of air pollution on the growth of Ponderosa Pine. Calif. Agric., 29(12): 8--9. McConnell, G. et al., 1975. Chlorinated hydrocarbons and the environment. Endeavour, 34(121): 13--18. Meszaros, E., 1976. Cycle of sulphur in the atmosphere. Idojaras, 8 0 : 4 2 - - 4 7 (in Hungarian ). Ohta, T. et al., 1976. Local distribution of chlorinated hydrocarbons in the ambient air of Tokyo. Atmos. Environ., 10: 557--560. Petrilik, Z. and Stys, Z., 1975. Atmospheric pollution by SO 2 from electric power stations on the edge of the Zatee hop growing region. Chmelarstvi, 48(2): 30--32 (in Czech). Petrilik, Z. and Stys, Z., 1975. Sulphur dioxide injury to hops. Chmelarstvi, 48(3): 35--37 (in Czech). Podzorov, N. V., 1975. Industrial dust and the viability of Scots Pine in the forests around Leningrad. Lesn. Zh., 2 : 1 5 8 - - 1 6 0 (in Russian). Rains, D. W., 1975. Wild oat as an indicator of atmospheric inputs of lead in a rangeland ecosystem. J. Environ. Qual., 4(4): 532--536. Reinert, R. A., 1975. Monitoring, detecting, and effects of air pollutants on horticultural crops; sensitivity of genera and species. HortScience, 10(5): 495--500. Satyanarayana, B. and Subramanyam, V. P., 1975. Meteorological factors in relation to air pollution -- a case study. Bull. Indian Meteorol. Soc., 5: 56--57. Sidhu, S. S. and Roberts, B. A., 1975. Damage to vegetation in the vicinity of a phosphorus plant, Long Harbour, Newfoundland. Bi-Mon. Res. News, 31(6): 41--42. Smith, E. M., 1975. Tree stress from salts and herbicides. J. Arboric,, 1(11): 201--205. Suketa, Y. et al., 1975. Biological studies on environmental pollution by fluoride, 3. Effect of HF-gas on the metabolism of gladiolus, iris and crocus. J. Agric. Chem. Soc. Jpn, 49(12): 647--652 (in Japanese). Tiller, K. G. et al., 1975. Environmental pollution in the Port Pirie region, 1. Accumulation of metals in wheat grain and vegetables grown on the coastal plain. CSIRO Div. Soils, Div. Rep., 6 : 1 7 pp.

316 W~llin, T., 1976. Deposition of airborne mercury from six Swedish chlor-alkali plants sur ~ veyed by moss analysis. Environ. Poll., 10(2): 101---114. Whermann, J., 1976. Polluted water problems in horticulture. Phytotron. Newslett., 12,' 13: 32--37. Williams, C. H. and David, D. J., 1976. The accumulation in soil of cadmium residues from phosphate fertilizers and their effect on the cadmium content of plants. Soil Sci., 121 (2): 86--93. Wilson, L. 1975. Application o[ the wind erosion equation in air pollution surveys. J. Soil Water Conserv., 30(5): 215--219. SOIL PHYSICS Aston, A. R. and Gill, A. M., 1976. Coupled soil moisture, heat, and water vapour transfers under simulated fire conditions. Austr. J. Soil Res., 14(1): 55--56. Barrow, K. J. et al., 1975. Installation, calibration, and testing of field sensors for water and salt movement in a clay soil. CSIRO Div. Soils, Div. Rep., 5 : 1 5 pp. Gifford, G. F., 1976. Applicability of some infiltration formulae to rangeland infiltrometer data. J. Hydrol., 28(1): 1--11. Govindappa, M. H. et al., 1974. Effect of mulching on soil microflora. Madras Agric. J., 61(3/4): 84--85. Gradwell, M. W., 1976. Available-water capacities of some intra-zonal soils of New Zealand. N . Z . J . Agric. Res., 19(1): 69--78. Hay, R. K. M., 1976. The temperature of the soil under a barley crop. J. Soil Sci., 27: 121--128. Heinze, M. and Fiedler, R. J., 1976. The course, and dependence on locality, of soil temperature under forest. Arch. Acker Pflanzenbau Bodenkd., 19(12): 853--860, (in German). Lees, S. J. and Watson, K. K., 1975. The use of a dependent domain model of hysteresis in numerical soil water studies. Water Resourc. Res., 11(6): 943--948. Linder, K. et al., 1975. The effect of subsurface barriers on the water storage capacity of light sandy soils and on crop yield. Arch. Acker Pflanzenbau Bodenkd., 19(10): 695-709 (in German). Miller, R. D., 1975. Transport of water and heat in a frozen permeameter. Proc. Soil Sci. Soc. Am., 39(6): 1029--1036. Musy, A., 1976. Simulation of groundwater flow in unsaturated porous media. J. Hydrol., 19(1/2): 1--21 (in French). Philip, J. R., 1975. Stability analysis of infiltration. Proc. Soil Sci. Soc. Am., 39(6): 1042--1048. Philip, J. R., 1975. The growth of disturbances in unstable infiltration flows. Proc. Soil Sci. Soc. Am., 39(6): 1049--1053. Rogers, J. S. and Harrison, D. S., 1975. Crop response to drainage in the Flatwoods. Fla. State Hortic. Soc., 87: 193--195. Smiles, D. E. and Knight, J. H., 1976. A note on the use of the Philip infiltration equation. Austr. J. Soil Res., 14(1): 103--108. Sonu, J. and Morel-Seytoux, J. H., 1976. Water and air movement in a bounded deep homogeneous soil. J. Hydrol., 29(1/2): 23--42. Tinker, P. B., 1976. Transport of water to plant roots in soil. Phil. Trans. R. Soc. Lond., B, 273(927): 445--461. Van Dam, J. C., 1976. Partial depletion of saline groundwater by seepage. J. Hydrol., 29 (3/4): 315--339. Wang Hsiao-Tsai, 1975. Determination of hydraulic conductivity under different soil conservation treatments in an orchard. J. Agric. Assoc. China, 9 2 : 1 2 7 - - 1 3 1 (in Chinese). Wilkinson, G. E. and Aina, P. O., 1976. Infiltration of water into two Nigerian soils under secondary forest and subsequent arable cropping. Geoderma, 15(1): 51--59.

317 TRANSPIRAT~[ON AND WATER BALANCE Alekseenko, L. N., 1975. Transpiration intensity of meadow plants. Bot. Zh., 60(10): 1456--1466 (in Russian). Alekseyev, G. V. et al., 1976. Some problems in the statistical analysis of hydrometeorological processes. Arkt. Antarkt. Nauchno-Issl. Inst. Leningr., 3 3 2 : 1 1 9 - - 1 2 6 (in Russian). Amirdzhanov, A. G., 1975. Energy required for transpiration in grapevines in relation to the energy balance of the plants. Fiziol. Rast., 22(5): 987--993 (in Russian). Apetroaei, S., 1974. Research into available moisture in a maize field determined as water balance. Culegere Lucrari Metetorol., Inst. Meteorol, Hidrol., 1 9 7 2 : 3 5 1 - - 3 7 1 (in Romanian ). Bultot, F. and Dupriez, G. L., 1976. Conceptual hydrological model for an average-sized catchment area, 1. Concepts and relationships; 2. Estimate of parameters, validity of model, applications. J. Hydrol., 29(3/4): 251--292. Campbell, R. B. and Phene, C. J., 1976. Estimating potential evapotranspiration from screened pan evaporation. Agric. Meteorol., 16(3): 343--352. Carvallo, H. O., Cassel, D. K. and Bauer, A., 1975. Water losses from an irrigated soyabean field by deep percolation and evapotranspiration. Water Resour. Res., 11(2): 267. Chernyshev, V. D., 1975. Rate of photosynthesis and transpiration of some woody species of the Maritime Province of the Soviet Far East. Lesn. Zh., 3 : 2 1 - - 2 5 (in Russian). Cimpa, F. O., 1976. A model of the contribution of meteorological values to the composition of potential evapotranspiration. Dtsch. Gew~isserkd. Mitt., 2 0 : 2 9 - - 3 7 (in German). Gumbs, F. A. and Byam, L., 1976. Prediction of soil water content changes in Pangola grass pastures. Trop. Agric., 53(1): 31--40. Hansen, V., 1975. Potential evapotranspiration. A comparison between results obtained from a weighing lysimeter with estimates based on Penman's equations. Meld. Nor. Landbrukshbgsk., 54(15): 8 pp. Haseba, T., 1975. Studies of transpiration in relation to the environment, 6. Simulation of transpiration produced by air humidity. Mere. Coll. Agric., Ehime Univ., 20: 154--166. Haseba, T. and Ito, D., 1975. Studies of transpiration in relation to the environment, 7. Variation of transpiration rate and leaf temperature with ~meteorological elements. J. Agric. Meteorol., 30(4): 173--182 (in Japanese). Howell, T. A. and Hiler, E. A,, 1975. Optimization of water use efficiency under high frequency irrigation, 1. Evapotranspiration and yield frequency irrigation, 1. Evapotranspiration and yield relationship. Trans. ASAE, 18(5): 873--878. Klausing, O. and Salay, G., 1976. Measurement of the field water balance, 1. Climatic water balance. Dtsch. Gew~sserkd. Mitt., 2 0 : 1 - - 7 (in German). Kreeb, K., 1974. The concept of hydrature and its meaning for water relations. Ber. Dtsch. Bot. Ges., 87(3): 577--581 (in German). Kreith, F. and Sellers, W. D., 1975. General principles of natural evaporation. In: D. A. de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Biosphere, 1. Wiley, London, pp. 207--227. Lal, P. and Sharma, K.C., 1976. Predicting water needs of wheat from U.S. Class "A" pan evaporimeter at Pantnagar. Exp. Agric., 12(1): 28--31. Loynet, G., 19'15. Water requirements of crops in the irrigated areas of Bras de la Plaine. Agron. Trop., 30(3): 264--270 (in French). Luebs, R. E. et al., 1975. Evapotranspiration of dryland barley with different spacing patterns. Agron. J., 67(3): 339--342. Martin-Aranda, J. and Fernandez, J. L., 1974. Water use in a long established orchard of sour orange. In: I Congreso Mundial de Citricultura, 1973, pp. 277--282 (in Spanish). Nkemdirim, L.C., 1976. Crop development and water loss -- a case study over a potato crop. Agric. Meteorol., 16(3): 371--388.

Parmele, L. H. and Jacoby, t~;, L,, 19"i5. Estimating evapotranspiration under non-tlomo geneous field conditions. U.S., Dep. Agric., Agric. Res.Serv. Publ., ARS-NE-5:I: (51 pp. Peng, S. Y. and Twu, L. T., 1975. The effect of diurn on growth and transpiration oi sugarcane varieties. J. Agrico Assoc. China, 89: 59--68. Perrier, A., Archer, P. and De Pablos, A. B., 1974. Study of real and maximum cvapotranspiration in" various crops. Apparatus and measurements. Ann. Agron., 25~ 5): 697--731 (in French). Poole, D. K. and Miller, P. C., 1975. Water relations of selected species of chaparral and coastal sage communities. Ecology, 56(5): 1118--1128. Reddy, M. G., 1974. Investigations on the possibilities of reducing evapotranspiration in sorghum. Mysore J. Agric. Sci., 9: 350--351. Rowse, H. R., 1975. Simulation of the water balance of soil columns and fallow soils. J. Soil Sci., 26(4): 337--349. Schoch, P. G., De Villele, O. and Granier, J., 1975. Climatic water requirements of crops in the French Antilles. Nouv. Agron. Antilles, Guyane. 1(2): 101--108 (in French). Szlovak, S., 1974. The effect of various nutrients on the variation in transpiration per unit leaf area of maize. Novenytermeles, 23(3): 239--248 (in Hungarian). Tosso, J. T., 1975. A new formula to determine evapotranspiration in Chile. Agric. Tecn., 35(3): 139--147 (in Spanish). Zal'tsberg, E. A., 1976. Long-term water balance of the Izhora Plateau. Izv. Mosc. Vses. Geogr. Obs., 1 0 8 : 1 3 2 - - 1 3 9 fin Russian). WIND AND SHELTER Alifanova, T. I., 1975. The snow-regulating role of shelterbelts in the steppes of the Krasnoyarsk region. Izv. Sib. Otd. Akad. Nauk S.S.S.R., Ser. Biol. Nauk, 5 : 4 2 - - 4 7 (in Russian ). Aydemir, H., 1975. Influence of forest shelterbelts at the Bata State Farm in central Turkey on microclimate and agricultural production. Ormanc. Arast. Enst. Yayinlari, Tek. Bull., Set., 6 8 : 5 8 pp. (in Turkish). Burrows, F. M., 1975. Windborne seed and fruit movement. New Phytol., 75(2): 408-418. Byalyi, A. M. and U'inykh, L. A., 1975. Growing shelterbelt stands in the Kulunda steppe. Lesn. Khoz., 7 : 4 7 - - 5 0 (in Russian). Chiapale, J. P., 1975. A numerical model for estimating the modification of the heat budget introduced by hedges. In: D. A. de Vries and N. H. Afgan (Editors), Heat and Mass Transfer in the Biosphere, 1. Wiley, London, pp. 457--466. Faber, P. J. and Sissingh, G., 1975. Stability of stands to wind, 1. A theoretical approach; 2. The practical viewpoint. Ned, Bosbouw Tijdschr., 47(7/8): 179--193 (in Dutch). Golod, V. V. et al., 1975. Shelterbelt work in the Crimea. Lesn. Khoz., 7 : 1 2 - - 1 4 (in Russian ). Jaramillo-Robledo, A., 1975. Wind profile in coffee plantations in the sun. Cenicafe, 26: 143--147 (in Spanish). Kao, S. K., 1976. A model for turbulent diffusion over terrain. J. Atmos. Sci., 33: 157-.158. Maki, T., 1975. Wind profile parameters of various canopies as influenced by wind velocity and stability. J. Agric. Meteorol., 31(2): 61--70 (in Japanese). Moore, J. D., 1976. How far does pollen travel? Nature (London), 260: 388--389. Senkevich, A. A., 1975. Criteria for the area of shelterbelts in arable regions. Lesn. Khoz., 7 : 2 9 - - 3 3 (in Russian). Singh, B., 1976. Wind profile estimates for a hardwood forest. McGilt Univ., Montreal, Climatol. Bull., 19: 17--22. Smith, F. B., 1976. Diffusion from a line source in an urban atmosphere. Atmos. Environ., 10: 494.

319 Weiss, A. and'Allen, L. H., 1976. Airflow patterns in vineyard rows. Agric. Meteorol., 16(3): 329--342. BOOKS AND REPORTS Alekseevskii, E. E., 1974. Irrigation and Drainage in Countries of the World. Kolos, Moscow, 527 pp. (in Russian). Anonymous, 1974. Radiation Processes in the Atmosphere and at the Earth's Surface --Proceedings of the IXth All-Union Conference on Actinometry, Kiev, Oct. 1972. Gidrometeoizdat, Leningrad, 496 pp. (in Russian). Anonymous, 1975. High Yields of Spring Wheat. Kolos, Moscow, 400 pp. (in Russian). De Vries, D. A. and Afgan, N. H. (Editors), 1975. Heat and Mass Transfer in the Biosphere, 1. Transfer Processes in the Plant Environment. Wiley, London, 594 pp. Downs, R. J. and Hellmers, H., 1975. Environment and the Experimental Control of Plant Growth. Academic Press, London, 145 pp. Dutton, J. A., 1976. The Ceaseless Wind. An Introduction to the Theory of Atmospheric Motion. McGraw Hill, New York, N.Y., 579 pp. Gade, D. W., 1975. Plants, Man and the Land in the Vilcanota Valley of Peru (Biogeographica, 6). Dr. W. Junk, The Hague, 240 pp. Gokhale, N. R., 1975. Hailstorms and Hailstone Growth. State Univ. Press, New York, N/Y., 465 pp. Golding, E. W., 1976. The Generation of Electricity by Wind Power. E. and F. N. Sopon, London, 332 pp. Griffiths, J. F., 1976. Climate and the Environment. The Atmospheric Impact on Man. Paul Elek, London, 148 pp. Koncek, M. et al., 1974. The Climate of the Tatra Mountains. Veda, Slovenskej Akad., Vied, 855 pp. (in Russian). Levenko, A. A. and Grushka, I. G. (Editors), 1975. Weather and yield. Tr. Ukr. Gidrometeorol. Inst., 1 3 9 : 1 3 6 pp. (in Russian). Lieth, H. (Editor), 1974. Phenology and Seasonality Modelling, (Ecological Studies, 8). Springer, Berlin, 464 pp. Messel, H. and Butler, S. T. (Editors), 1975. Solar Energy. Pergamon Press, Oxford, 340 pp. Mihara, Y. (Editor), 1974. Agricultural Meteorology in Japan. Univ. Tokyo Press, 215 pp. Murdoch, W. W. (Editor), 1975. Environment: Resources, Pollution and Society. Freeman, London, 496 pp. Numerous authors, 1974. Plastics in Agriculture. Proc. Vth Int. Colloq., Budapest, 1972. 1, 2. 1: 1--590; 2:591--1102 (in English, French, Spanish and Russian). Pazukhina, R. A. (Editor), 1975. Aspects of agrometeorology. Tr. Zapadno-Sib. Reg. Gidrometeorol. Inst., 1 9 : 1 0 4 pp. (in Russian). Razumova, L. A. (Editor), 1975. Agrometeorological peculiarities of drought in 1972 and its effect on crops. Tr., Gidrometeorol. Nauchno-Issled. Tsentr. S.S.S.R., 1 5 4 : 1 9 1 pp. (in Russian). Riou, C., 1975. Practical Determination of Evaporation and Application to Central Africa. ORSTOM. Paris, 236 pp. (in French). Schanda, E., 1976. Remote Sensing for Environmental Sciences. Springer, Berlin, 367 pp. Shul'meister, K. G., 1975. Drought Control and Yield. Kolos, Moscow, 336 pp. (in Russian). Slavik, B., 1974. Methods of Studying Plant--Water Relations (Ecological Studies, 9). Springer, Berlin, 449 pp. Ulanova, E. S., 1975. Agrometeorological Conditions and Yielding Ability of Winter Wheat. Gidrometeoizdat, Leningrad, 304 pp. (in Russian). Whitmore, T. C., 1975. Tropical Rain Forests of the Far East. Clarendon Press, Oxford, 282 pp. Wilson, C. V., 1975. The Climate of Quebec. Energy Considerations (Climatological Studies, 23). Atmos. Environ. Serv., Toronto, 120 pp.