TY  - BOOK
AU  - Koyama,Takeo
AU  - Chammek,Chittana
AU  - Niamsrichand,Natee
TI  - Nitrogen application technology for tropical rice as determined by field expermineds using 15N tracer technique
AV  - SB191.R5 K69  
PY  - 1973///
CY  - Tokyo
PB  - Tropical Agriculture Research Center
KW  - Rice
KW  - Fertilizers
KW  - Soils
KW  - Nitrogen fertilizers
N1  - Includes table; Includes bibliographical references
ER  -