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刘苗, 孙建, 李立军, 刘景辉

The Effect of Different Fertilization Treatments on Soil Fertility and Yield of Forage Crops

LIU Miao, SUN Jian, LI Li-jun, LIU Jing-hui

华北农学报 . 2010, (6): 225 -228 . DOI: 10.7668/hbnxb.2010.06.044