共 50 条
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- [2] TOTAL NITROGEN IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1972, 55 (04): : 707 - &REXROAD, PR
- [3] TOTAL NITROGEN IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1968, 51 (04): : 851 - &REXROAD, PRKRAUSE, GF
- [4] DETERMINATION OF AMMONIACAL AND TOTAL NITROGEN IN FERTILIZERS BY AMMONIA-SELECTIVE ELECTRODEJOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1984, 67 (05): : 890 - 892NAVARRO, RAROJAS, P
- [5] DETERMINATION OF TOTAL NITROGEN IN FERTILIZERS BY MEANS OF THE LECO FP-228AGRIBIOLOGICAL RESEARCH-ZEITSCHRIFT FUR AGRARBIOLOGIE AGRIKULTURCHEMIE OKOLOGIE, 1990, 43 (01): : 4 - 9SIEGFRIED, R
- [6] COMPARISON OF AUTOMATIC DUMAS AND KJELDAHL METHODS FOR DETERMINATION OF TOTAL NITROGEN IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1969, 52 (05): : 943 - +MORRIS, GFCARSON, RBJOPKIEWICZ, WT
- [7] Determination of mineral nitrogen in fertilizersINDUSTRIAL AND ENGINEERING CHEMISTRY, 1927, 19 (01): : 269 - 271Jones, CH
- [8] Determination of mineral nitrogen in fertilizersINDUSTRIAL AND ENGINEERING CHEMISTRY, 1925, 17 : 95 - 95Breckenridge, JE
- [9] DETERMINATION OF TOTAL SULFUR IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1964, 47 (03): : 436 - +BARKER, JE
- [10] SEMIAUTOMATED METHOD FOR TOTAL NITROGEN IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1977, 60 (04): : 881 - 889WALL, LLGEHRKE, CW