@book{51904,
	author = {Sinha, Sanjeev Kumar.},
	title = {Effect of Recycling of Crop Residue and Organic Manure on Crop Yield and Nutrient Availability Under Rice-Wheat Cropping System in Calcareous Soil / },
	publisher = {: RAU},
	year = {, 1993},
	address = {.- Pusa, Samastipur}
}