TY - BOOK AU - P. Shivashankar Swamy AU - M.K. Badiger Department of Soil Science and Agricultural Chemis TI - Effect of phosphorus and zinc on yield and composition of ragi (Eleusine coracana Gaertn) U1 - 630 PY - 1988/// CY - Bangalore PB - University of Agriculatural Sciences, Bangalore ER -