Download Agriculture in Dry Lands: Principles and Practice by I. Arnon PDF

By I. Arnon

All through heritage, guy has, via over-use, constantly diminished the efficient ability of dry lands. This degradation of one-third of the land zone of the globe is, regrettably, expanding. lately, global curiosity has became to the issues of toxins of our environment and the approaching nutrients scarcity as international inhabitants grows explosively. hence the eye of overseas and different agricultural bodies Read more...

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Extra resources for Agriculture in Dry Lands: Principles and Practice

Example text

Rainfall may occur for a few days during the cooler period of the retracting south­ west monsoon, and, occasionally, during the rest of the year. Once in 10 years, the expected annual rainfall of the arid zone of north-west India can be less than 200 mm. In some areas it may be less than 60 mm. Air humidity. Average relative air humidity values are more or less similar in the two regions. Mean annual evaporation is 200-300 mm in the arid regions, and 200350 mm in the semi-arid regions. Daily evaporation rates during summer exceed 12 mm in the arid regions.

Univ. Arizona, Tempe, AZ. McKell, C M . , 1985. North America. R. K. Northington (Editors), Plant Resources of Arid and Semiarid Lands. A Global Perspective. Academic Press, New York, pp. 187-232. , 1963. Regional setting. In: C. Hodge (Editor), Aridity and Man. Am. Ass. Adv. , Washington, DC, pp. 21-53. , 1954. Biological research and the productive transformation of steppe and desert in the Soviet Union. L. Cloudsley (Editor), Biology of Deserts. Institute of Biology, London, pp. 148-155. , 1981.

1980. Climatic classification: concepts for dry tropical environments. In: Climatic Classifica­ tion: A Consultants Meeting. , India, pp. 1-16. , 1961. The causation of the arid zone. , 17: 25-30. , 1971. Precipitation dependability and potential for agricultural production in northern Brazil. EMBRAPA & Utah State College Public. 74-D-159. Brazilia and Logan, UT. , 1990. Agroclimatology of semiarid lands. Adv. , 13: 9-26. B. , 1988. Tillage and planting strategies for sandy soils in Niger, West Africa.

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