K.VALSAJI
STUDIES ON THE STATUS AND DISTRIBUTION OF COPPER AND ZINC IN TWO SOIL SERIES OF TRIVANDRUM DISTRICT - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1972
E N72 VA 43
STUDIES ON THE STATUS AND DISTRIBUTION OF COPPER AND ZINC IN TWO SOIL SERIES OF TRIVANDRUM DISTRICT - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1972
E N72 VA 43