黄土地区氮磷流失的模拟研究

[1] 植物营养元素的土壤化学[M]. 科学出版社 , 袁可能 编著, 1983

[2] 农业化学手册[M]. 科学出版社 , 鲁如坤, 1982

[3] Nitrogen and Phosphorus Composition of Surface Runoff as Affected by Tillage Method .2 Romkens,M. J. M,Nelson,D. W,Mannering,J. V. J. Environmental Quality . 1973

[4] Bache,B. W,Christin Ireland. J. Soil Sci . 1980

[1] 植物营养元素的土壤化学[M]. 科学出版社 , 袁可能 编著, 1983

[2] 农业化学手册[M]. 科学出版社 , 鲁如坤, 1982

[3] Nitrogen and Phosphorus Composition of Surface Runoff as Affected by Tillage Method .2 Romkens,M. J. M,Nelson,D. W,Mannering,J. V. J. Environmental Quality . 1973

[4] Bache,B. W,Christin Ireland. J. Soil Sci . 1980