@book{13242,
	author = {Khalid Hussain Talpur (Ph.D) and Cai Dianxiong},
	title = {Impacts of Fertilization and Water Management on Nirogen and  Watar Use Efficiencies of Wheat-Maize in North China },
	year = {2014},
	address = {Sindh Agriculture University, Tandojam}
}