GEORGE JOSEPH
BEHAVIOUR OF POTASSIUM IN SELECTED SOIL SERIES OF THIRUVANANTHAPURAM DISTRICT - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 1993
E N93 GE 94
BEHAVIOUR OF POTASSIUM IN SELECTED SOIL SERIES OF THIRUVANANTHAPURAM DISTRICT - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY 1993
E N93 GE 94