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- [4] DETERMINATION AND ISOTOPE-RATIO ANALYSIS OF DIFFERENT FORMS OF NITROGEN IN SOILS .5. FIXED AMMONIUMSOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1966, 30 (05): : 587 - +SILVA, JABREMNER, JM
- [5] DETERMINATION AND ISOTOPE-RATIO ANALYSIS OF DIFFERENT FORMS OF NITROGEN IN SOILS .3. EXCHANGEABLE AMMONIUM NITRATE AND NITRITE BY EXTRACTION-DISTILLATION METHODSSOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1966, 30 (05): : 577 - &BREMNER, JMKEENEY, DR
- [7] A COMMERCIAL SYSTEM FOR AUTOMATED NITROGEN ISOTOPE-RATIO ANALYSIS BY THE RITTENBERG TECHNIQUEREVIEW OF SCIENTIFIC INSTRUMENTS, 1990, 61 (02): : 897 - 903MULVANEY, RLFOHRINGER, CLBOJAN, VJMICHLIK, MMHERZOG, LF
- [8] NITROGEN GAS PREPARATIVE SYSTEM FOR ISOTOPE-RATIO ANALYSIS BY MASS-SPECTROMETRYANALYTICA CHIMICA ACTA, 1979, 104 (02) : 245 - 252SMITH, CJCHALK, PM
- [9] Response of rice to increasing nitrogen rates in five soils with different mineralizable nitrogen levelsJOURNAL OF PLANT NUTRITION, 2017, 40 (03) : 382 - 390Hirzel, J.Rodriguez, F.
- [10] NEW AND CONVENTIONAL EVAPORATIVE SYSTEMS IN CONCENTRATING NITROGEN SAMPLES PRIOR TO ISOTOPE-RATIO ANALYSISSOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 1987, 51 (04) : 951 - 958LOBER, RWREEDER, JDPORTER, LK