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- [21] STUDIES ON THE CHANGE OF SOIL INORGANIC NITROGEN-CONTENT IN THE PERIOD FROM LATE AUTUMN TO BEGINNING OF THE GROWING-SEASON IN DEPENDENCE ON SOIL CLASS, PRECIPITATION, AND INORGANIC NITROGEN-CONTENT ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1980, 24 (07): : 425 - 432
- [23] REDUCTION IN TOTAL NITROGEN-CONTENT OF ARHAR SEEDS DUE TO STORAGE FUNGI CURRENT SCIENCE, 1978, 47 (15): : 550 - 551
- [26] KJELDAHL METHOD FOR DETERMINATION OF TOTAL NITROGEN-CONTENT OF MILK - COLLABORATIVE STUDY JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1990, 73 (06): : 849 - 859
- [29] DETERMINATION OF THE TOTAL ORGANIC NITROGEN-CONTENT OF WATER BY THE EXHAUSTIVE HYDROGENOLYSIS METHOD JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1991, 46 (12): : 1730 - 1736
- [30] CHANGES IN ANORGANIC SOIL-NITROGEN CONTENT DURING THE VEGETATIVE PERIOD OF MAIZE ZENTRALBLATT FUR MIKROBIOLOGIE, 1988, 143 (03): : 243 - 247