草地施肥对牧草和放牧贵州半细毛羊的影响

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申小云,蒋会梅,苑荣,贾志海

Effect of nitrogen fertilizer source on mineral element content of forage and in
the blood of grazing Guizhou semi-fine sheep

SHEN Xiao-yun, JIANG Hui-mei, YUAN rong, JIA Zhi-hai

草业学报 . 2012, (3): 275 -280 .