TY  - BOOK
AU  - P SARASWATHI
AU  - Dr. P V BALACHANDRAN
TI  - UREASE ACTIVITY IN RICE SOILS OF KERALA
U1  - J N89 SA 57 (HORT) 
PY  - 1989///
CY  - COLLEGE OF HORTICULTURE VELLANIKKARA
PB  - DEPARTMENT OF AGRONOMY
ER  -