共 50 条
- [1] TURNOVER OF N-15 LABELED NITRATE NITROGEN IN SOIL AS RELATED TO STRAW APPLICATION AND SOIL-MOISTURE ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE, 1983, 146 (01): : 109 - 117
- [2] TURNOVER OF N-15-LABELED UREA AND N-15-LABELED AMMONIUM SULFA-NITRATE WITH ADDITION OF DICYANDIAMIDE UNDER ANAEROBIC CONDITIONS IN THE SOIL ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE, 1982, 145 (06): : 557 - 560
- [4] WINTER RYE UPTAKE OF N-15 LABELED NITRATE AND AMMONIUM FROM THE SUBSOIL - FIELD EXPERIMENTS ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1990, 34 (10): : 673 - 681
- [5] SEPARATION OF AMMONIUM, NITRITE AND NITRATE FOR N-15 ANALYSIS ISOTOPENPRAXIS, 1989, 25 (08): : 352 - 354
- [9] RECOVERY OF N-15 FROM AMMONIUM-NITRATE AND ALGAL BIOMASS-AMENDED SOIL FERTILIZER RESEARCH, 1989, 20 (02): : 67 - 73
- [10] TURNOVER OF C-14-LABELED PLANT-COMPONENTS AND N-15-LABELED AMMONIUM IN SOIL ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE, 1983, 146 (02): : 151 - 159