@book{51172,
	author = {Prasad, Rakesh Kumar},
	title = {Studies on Microbial Activities and Micronutrient Availiablity in a Long Term Experiments on Crop Residue and Zinc Application under Rice-Wheat System},
	publisher = {RAU},
	year = {2005},
	address = {Pusa, Samastipur}
}