@book{44713,
	author = {Roy, R. N. and Food and Agriculture Organization of the United Nations},
	title = {Plant nutrition for food security :},
	publisher = {Discovery Publishing House,},
	year = {2007},
	address = {New Delhi :},
	edition = {1st Indian ed. (2007)},
	note = {Originally published by the Food and Agriculture Organization of the United Nations (FAO)}
}