共 16 条
- [1] BELL F, 1971, BIOL NITROGEN FIXATI, P231
- [4] BLACK CA, 1965, METHODS SOIL ANALY 1, V9
- [5] Bolton J. L., 1946, SCI AGRIC [OTTAWA], V26, P99
- [6] Bouwer H., 1974, Advances in Agronomy, V26, P133, DOI 10.1016/S0065-2113(08)60870-6
- [7] BOUWER H, 1976, Critical Reviews in Environmental Control, V6, P111
- [8] CHAPMAN H.E., 1966, DIAGNOSTIC CRITERIA
- [9] DAY A D, 1973, Journal of Environmental Quality, V2, P282, DOI 10.2134/jeq1973.00472425000200020025x