TY  - BOOK
AU  - Indian Agricultural Research Institute
TI  - Fertilizer use efficiency as revealed by studies with isotopes
U1  - 631.811 I-2 F 
PY  - 1980///
CY  - New Delhi
KW  - FERTILIZERS AND MANURES
KW  - PLANTS -- NUTRITION
KW  - RADIOACTIVE TRACERS IN PLANT NUTRITION
ER  -