【序号】:5 【作者】:Kimmell, R.J 【题名】:Effects of tillage andphosphorus placement on phosphorus runoff losses in a grain sorghum-soybeanrotation 【期刊】:Journal of Environmental Quality 【年、卷、期、起止页码】:2001. . 30, 1324-1330. 【全文链接】:https://dl.sciencesocieties.org/publications/jeq/abstracts/30/4/1324