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- [1] DETERMINATION OF N-15-LABELLED NITRATE AND NITRITE BY MASS FRAGMENTOGRAPHY AND ITS APPLICATION TO PLANT-MATERIAL AGRICULTURAL AND BIOLOGICAL CHEMISTRY, 1985, 49 (02): : 291 - 299
- [3] RESPONSE OF MICROBIAL BIOMASS TO ALTERNATE MOIST AND DRY CONDITIONS IN A SOIL INCUBATED WITH C-14-LABELED AND N-15-LABELLED PLANT-MATERIAL SOIL BIOLOGY & BIOCHEMISTRY, 1985, 17 (03): : 329 - 337
- [4] Distribution of reduced products of N-15-labelled nitrate in anaerobic soils SOIL BIOLOGY & BIOCHEMISTRY, 1995, 27 (12): : 1539 - 1545
- [6] STUDIES OF NITROGEN IMMOBILIZATION AND MINERALIZATION IN CALCAREOUS SOILS .5. FORMATION AND DISTRIBUTION OF ISOTOPE-LABELED BIOMASS DURING DECOMPOSITION OF C-14-LABELED AND N-15-LABELLED PLANT-MATERIAL SOIL BIOLOGY & BIOCHEMISTRY, 1980, 12 (04): : 405 - 411
- [8] THE MEASUREMENT OF N-15 IN SOIL AND PLANT-MATERIAL FERTILIZER RESEARCH, 1985, 6 (03): : 205 - 218
- [10] THE ISOTOPIC COMPOSITION OF THE SOIL MICROBIAL BIOMASS AND OF ADENINE AND GUANINE ISOLATED FROM SOIL INCUBATED WITH C-14-LABELED AND N-15-LABELLED PLANT-MATERIAL - COMPARISON WITH FUMIGATION METHOD SOIL BIOLOGY & BIOCHEMISTRY, 1985, 17 (06): : 773 - 778