TY  - BOOK
AU  - Gupta, U.S., ed.
TI  - Physiological aspects of crop nutrition and resistance
U1  - 572.392 21st ed.
PY  - 1977///
CY  - Delhi
PB  - Atma Ram and Sons
KW  - Crop growth stage
KW  - Crops
KW  - Disease resistance
KW  - Nutrition physiology
KW  - Plant development
KW  - Plant nutrition
ER  -