S.BALAN
UTILIZATION OF SOIL TEST RECOMMENDATIONS BY THE FARMERS IN TRIVANDRUM DISTRICT - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF AGRICULTURAL EXTENSION 1987
J9(T:3) N87 BA 36
UTILIZATION OF SOIL TEST RECOMMENDATIONS BY THE FARMERS IN TRIVANDRUM DISTRICT - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF AGRICULTURAL EXTENSION 1987
J9(T:3) N87 BA 36