P GOPALAKRISHNAN NAIR
STUDIES OF THE SALT AFFECTED RICE SOILS OF KERALA - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1963
E N63 GO 4
STUDIES OF THE SALT AFFECTED RICE SOILS OF KERALA - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1963
E N63 GO 4