TY - BOOK AU - V RAJAGOPALAN AU - M M KOSHY TI - DISTRIBUTION OF MANGANESE AND MOLYBDENUM IN THE SOILS OF KERALA AND THE EFECT OF MOLYBDENUM ON THE GROWTH OF COWPEA (Vigna sinesis SAVI) U1 - E N69 RA 32 PY - 1969/// CY - COLLEGE AND RESEARCH INSTITUTE VELLAYANI PB - DIVISION OF AGRICULTURAL CHEMISTRY ER -