الفهرس 
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Abstract
This study is designed to investigate the comparison between different peanut rotations with regard to soil productivity. Due consideration is given to the effect of preceding winter crops on the yield of peanut. Effect of the preceding crop on peanut yield and effect of peanut and other summer crops on some properties of soil are studied. Effect of irrigation with water solution of soils after winter crops on peanut and after peanut and some other crops on wheat plant is investigated. Finally, the effect of different rotations of peanut on the soil productivity is studied .