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Effects of Sowing Date, Planting Density and Nitrogen Application Regime on Grain Yield in Winter Wheat
Qu Huijuan, Li Jincai,, Shen Xueshan, Wang Yonghua, Yin Jun, Wang Chengyu
Chinese Agricultural Science Bulletin . 2006, (9): 141 -141 .  DOI: 10.11924/j.issn.1000-6850.0609141