TY  - BOOK
AU  - REVI KUMAR PRASEEDOM
AU  - M.M.KOSHY
TI  - DISTRIBUTION OF COPPER AND ZINC IN THE SOILS OF KERALA 
U1  - E N70 RE 41 
PY  - 1970///
CY  - AGRICULTURAL  COLLEGE AND RESEARCH INSTITUTE VELLAYANI
PB  - DIVISION OF AGRICULTURAL CHEMISTRY 
ER  -