TY  - BOOK
AU  - Kumar, Vipin
TI  - Integrated Effect of Graded Levels of Fertilizers with Green Manure on Sustainable Yield and Nutrients Availability in Rice-Wheat Cropping System
U1  - 631.81 
PY  - 1999///
CY  - Pusa, Samastipur
PB  - RAU
KW  - Soil Science
KW  - Thesis
ER  -