共 33 条
- [1] ALBRECHT B, 1970, Zeitschrift fuer Pflanzenernaehrung und Bodenkunde, V125, P205, DOI 10.1002/jpln.19701250303
- [2] [Anonymous], AGRONOMY
- [7] Bremner J. M., 1982, METHODS SOIL ANAL 2, P595
- [8] Bremner J.M., 1965, METHOD SOIL ANAL, P1238, DOI DOI 10.2134/AGRONMONOGR9.2.2ED.C34
- [9] BREMNER JM, 1978, NITROGEN ENV, V1, P477
- [10] BURFORD J R, 1973, Soil Biology and Biochemistry, V5, P133, DOI 10.1016/0038-0717(73)90099-0