共 9 条
- [2] DANCE RE, 1968, SOIL SURVEY E BATON, P26
- [3] JACKSON W A, 1973, Journal of Environmental Quality, V2, P480, DOI 10.2134/jeq1973.00472425000200040017x
- [8] SCHUMAN G E, 1973, Journal of Environmental Quality, V2, P299, DOI 10.2134/jeq1973.00472425000200020030x
- [9] 1971, STANDARD METHODS EXA