TY  - BOOK
AU  - IPI
AU  - International Potash Institute
AU  - IPI
TI  - IPI Bulletin - 3 Fertilising for High Yield Rice,1976
U1  - 631.83/IPI 
PY  - 1976///
CY  - Swizerland
PB  - International Potash Institute
KW  - Potassium
ER  -