TY - BOOK AU - Mahmoud,Saied Abd El-Moniem TI - Some factors affecting nodulation and nitrogen fixation of soybean (Clycine max) PY - 1976/// KW - Soybean KW - Morphology KW - Nitrogen KW - Fixation N1 - Thesis (M.S.)--Alexandria University, 1976; Includes bibliographical references (leaves 113-129); Microfiche; ASUNET; Ain Shams University; 3 microfiches : negative ER -