C.BALAKRISHNANA NAYAR
STUDIES ON COPPER AND ZINC STATUS OF KERALA RICE SOILS AND THE RESPONSE TO THESE ELEMENTS BY IR -8 - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1970
E N70 BA 40
STUDIES ON COPPER AND ZINC STATUS OF KERALA RICE SOILS AND THE RESPONSE TO THESE ELEMENTS BY IR -8 - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1970
E N70 BA 40