种植密度与施氮量对麦茬复种饲料油菜土壤微生物活性的影响
杨瑞吉1,2;马海灵2;杨祁峰3;牛俊义2
Effects of planting density and nitrogen application rate on soil microbial activity under wheat/forage rape multiple cropping
YANG Rui-ji1,2; MA Hai-ling2;YANG Qi-feng3;NIU Jun-yi2
应用生态学报
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2007, (01): 113
-117
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