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- [2] Bergersen F. J., 1980, Methods for evaluating biological nitrogen fixation., P65
- [3] AN EVALUATION OF N-15 METHODS FOR ESTIMATING NITROGEN-FIXATION IN A SUBTERRANEAN CLOVER PERENNIAL RYEGRASS SWARD [J]. AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH, 1983, 34 (04): : 391 - 401
- [5] THE NATURAL ABUNDANCE OF N-15 IN AN IRRIGATED SOYBEAN CROP AND ITS USE FOR THE CALCULATION OF NITROGEN-FIXATION [J]. AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH, 1985, 36 (03): : 411 - 423