TY  - BOOK
ED  - The International Rice Research Institute, 
TI  - Fertilizer materials and calculations: slide-tape instructional unit PM-3
T2  - Rice production training series
AV  - S633 F74  
PY  - 0000///[Date of publication not identified]
CY  - Los Banos Laguna
PB  - The International Rice Research Institute
KW  - Fertilizers
KW  - Rice
KW  - Fertilizers and manures
ER  -