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- [27] REVIEW - ESTIMATION OF N-2-FIXATION BY ISOTOPE-DILUTION - AN APPRAISAL OF TECHNIQUES INVOLVING N-15 ENRICHMENT AND THEIR APPLICATION - COMMENTS SOIL BIOLOGY & BIOCHEMISTRY, 1986, 18 (03): : 243 - 244
- [29] ASSESSMENT OF THE RELATIVE UPTAKE OF ADDED AND INDIGENOUS SOIL-NITROGEN BY NODULATED LEGUMES AND REFERENCE PLANTS IN THE N-15 DILUTION MEASUREMENT OF N-2 FIXATION - DERIVATION OF METHOD SOIL BIOLOGY & BIOCHEMISTRY, 1985, 17 (03): : 317 - 321