TY - BOOK AU - Surve, Vaishali Haribhau, TI - Phosphorus Management in Rabi Niger (Guizotia Abyssinical L. Cass) and its Residual Effect on Succeeding Summer Fooder Sorghum (Sorghum Bicolor L. Moench) Grown Under Two Fertility Levels PY - 2013/// CY - Navsari PB - Department of Agro. N.M.College ER -