共 12 条
- [1] AYRES KA, 1970, THESIS U SASKATCHEWA
- [2] Bremner J.M., 1965, METHOD SOIL ANAL, P1238, DOI DOI 10.2134/AGRONMONOGR9.2.2ED.C34
- [5] NITROGEN FIXATION BY A FACULTATIVE BACILLUS [J]. JOURNAL OF BACTERIOLOGY, 1958, 75 (04) : 403 - 408
- [6] HUTCHEON WL, 1941, THESIS U SASKATCHEWA
- [8] POCHON J, 1962, TECHNIQUES ANALYSE M
- [10] SILVESTER WB, 1968, NATURE LOND, V244, P1231