TI  - IRRI Research Papers Series
T2  - IRRI Research Papers Series
U1  - 633.1805 
PY  - 1979///
CY  - Philippines : 
PB  - International Rice Research Institute , 
KW  - Field Crops
KW  - Rice (Oryza Sativa)
KW  - Cereal Grains (Cereals)
ER  -