TY  - BOOK
AU  - P.KUMARAN NAYAR 
AU  - R.SUBRAMONIA AIYER
TI  - STATUS OF AVAILABLE SILICA IN THE RICE SOILS OF KERALA STATE
U1  - E N66 KU 16 
PY  - 1966///
CY  - AGRICULTURAL COLLEGE AND  RESEARCH INSTITUTE VELLAYANI
PB  - DIVISION OF AGRICULTURAL CHEMISTRY
ER  -