TY - BOOK AU - Sinha, Sanjeev Kumar. TI - Effect of Recycling of Crop Residue and Organic Manure on Crop Yield and Nutrient Availability Under Rice-Wheat Cropping System in Calcareous Soil / U1 - 631.4 PY - 1993/// CY - .- Pusa, Samastipur PB - : RAU KW - Soil Science KW - Calcareous Soil KW - Rice-Wheat Cropping System KW - Organic Manure KW - Thesis KW - Ph. D ER -