TY  - BOOK
AU  - Dwivedi, Dharmendra Kumar.
TI  - Integrated Nutrient Management for Sustainable Production Under Rice-Wheat Cropping System / 
U1  - 633.1 
PY  - 1997///
CY  - .- Pusa, Samastipur
PB  - : RAU
KW  - Agronomy
KW  - Rice_Wheat Cropping System
KW  - Thesis
KW  - Ph. D
ER  -