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Specific problems of semi-arid environments
Qualitas Plantarum et Materiae Vegetabiles, 19651. A semi-arid environment is defined as one in which the effective precipitation is too small for the successful practice of continuous crop production without irrigation water, but sufficient for the seasonal growth of forage and for limited animal production. 2.
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Crop Management in Semi-Arid Environments
1979Crop management in semi-Arid, rainfed environments has many problems. The weather of semi-Arid zones is highly variable (see Bailey, Chap. 3 and Dancette and Hall, Chap. 4, this vol.). With each year, new conditions or combinations of conditions arise.
W. H. Isom, G. F. Worker
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Agriculture in semi-arid environments
Agro-Ecosystems, 1981Tom L. McKnight +3 more
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Semi-Arid Regions in the World
2019This chapter utilizes the term steppe as conceived by African and Asian scientists to include all vegetation types within what has been designated as the semiarid region. While precipitation alone is considered to be a less exact indicator than indicators based on evapotranspiration, it is often used as a guide to arid climates subdivisions.
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The geography of semi-arid lands
Philosophical Transactions of the Royal Society of London. B, Biological Sciences, 1977Semi-arid lands were at times during the last 20000 years more humid and at other times more arid than at present, with important consequences for the soil and water resources of the present day. These lands were the scene of the beginnings of pastoralism, the cultivation of cereals, and urban living between 10 000 and 5000 years ago.
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Soil Management in Semi-Arid Environments
1979To assess the impact of soil management in a meaningful way and in terms that can be applied in a variety of situations is nearly impossible with existing information. Baeumer and Bakermans (1973) at the conclusion of their review on zero-tillage indicate their frustration as follows: “Yet, as shown by our review, only little has been gained in ...
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Agricultural in Semi-Arid Environments.
The Journal of Ecology, 1981M. J. Chadwick +3 more
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