共 50 条
- [42] CONFIRMATION OF NITROGEN-FIXATION IN 2 TROPICAL GRASSES BY N-15(2) INCORPORATION SOIL BIOLOGY & BIOCHEMISTRY, 1977, 9 (02): : 119 - 123
- [43] SITE VARIABILITY EFFECT ON FIELD MEASUREMENT OF SYMBIOTIC NITROGEN-FIXATION USING THE N-15 ISOTOPE-DILUTION METHOD SOIL BIOLOGY & BIOCHEMISTRY, 1987, 19 (04): : 405 - 409
- [46] ESTIMATING N-2-FIXATION IN THE FIELD USING N-15-LABELED FERTILIZER - SOME PROBLEMS AND SOLUTIONS SOIL BIOLOGY & BIOCHEMISTRY, 1983, 15 (06): : 631 - 639
- [48] NITROGEN TRANSFER FROM PHASEOLUS BEAN TO INTERCROPPED MAIZE MEASURED USING N-15-ENRICHMENT AND N-15-ISOTOPE DILUTION METHODS SOIL BIOLOGY & BIOCHEMISTRY, 1991, 23 (04): : 339 - 346