Land degradation, rainfall variability a
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A. T. Ayoub
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Article
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1999
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John Wiley and Sons
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English
โ 293 KB
The recent agricultural policies in the Sudan have focused on mechanized large-scale, rainfed agricultural ventures achieving increased grain production through expansion of the cultivated area only, not through increased per unit yield. The total harvested area increased steadily from about 4 . 5 m