One filed experiment was carried out to study the effect of Arbuscular Mycorrhiza fungi and three preceding winter crops, i.e., Meskawy cultivar Egyptian clover berseem (Trifolium alexandrinum L.), Careem sugar beet (Beta vulgaris) Sakha 94 wheat (Triticum aestivum) five fertilizer combinations as treatments NPK mineral bio which included 100% (T1), 75% + arbuscular mycorrhiza (AMFs) (T2), 50% ...