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Effect Research of Potassium Fertilizer and Density to Huaibei area Cotton Yield and Quality
Wu Lanyun, Li Huang, Liu Xian, Li Jianhua, Xu Maolin, Zhou Debao
Chinese Agricultural Science Bulletin . 2009, (10): 151 -155 .  DOI: 10.11924/j.issn.1000-6850.2009-0145