TY  - BOOK
AU  - Beebe, James 
TI  - Fertilizer for rice / 
U1  - FIL 633 B39f 1974 
PY  - 1974///
CY  - Quezon City : 
PB  - New Day Publishers, 
KW  - Field crops.
N1  - References: page 49
ER  -