共 10 条
[7]
SAS统计分析实用大全[M]. 清华大学出版社 , 阮桂海等编著, 2003
[8]
土壤农业化学分析方法[M]. 中国农业科技出版社 , 鲁如坤主编, 2000
[9]
Extraction, molecular fractionation and enzyme degradation of organically associated phosphorus in soil solutions[J] . H. K. Pant,A. C. Edwards,D. Vaughan.Biology and Fertility of Soils . 1994 (3)
[10]
Development of an indicator for risk of phosphorus leaching. Hesketh N,Brookes P C. Journal of Environmental Quality . 2000