共 10 条
[8]
中国土壤氮素[M]. 江苏科学技术出版社 , 朱兆良,文启孝主编, 1992
[10]
Development and testing of a model for predicting tillage effects on nitrate leaching from cracked clay soils[J] . A.M Matthews,A.C Armstrong,P.B Leeds-Harrison,G.L Harris,J.A Catt.Soil & Tillage Research . 2000 (3)