P.KUMARAN NAYAR
STATUS OF AVAILABLE SILICA IN THE RICE SOILS OF KERALA STATE - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1966
E N66 KU 16
STATUS OF AVAILABLE SILICA IN THE RICE SOILS OF KERALA STATE - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1966
E N66 KU 16