@book{43496,
	author = {Hafizullah, Md.},
	title = {Nutrient management for cultivation of onion in the Southern region of Bangladesh /},
	publisher = {University of Dhaka, },
	year = {2004.},
	address = {Dhaka :},
	note = {Thesis (PhD )--Department of Soil, Water & Environment, University of Dhaka, 2004.}
}