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- [23] FERTILIZER EFFECTS ON YIELD, NITROGEN-CONTENT AND AMINO-ACID-COMPOSITION OF MAIZE GRAIN AGRONOMIE, 1983, 3 (10): : 965 - 970
- [26] SITE-SPECIFIC NITROGEN-FERTILIZATION OF WINTER GRAIN UNDER CONSIDERATION OF THE SOIL INORGANIC NITROGEN-CONTENT ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1982, 26 (05): : 315 - 322
- [27] STUDIES OF CONSIDERING SOIL INORGANIC NITROGEN-CONTENT IN DIMENSIONING NITROGEN RATES FOR SUGAR-BEET ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1986, 30 (03): : 157 - 162
- [28] STUDIES REGARDING THE CONSIDERATION OF SOIL INORGANIC NITROGEN-CONTENT IN DIMENSIONING NITROGEN-FERTILIZATION TO POTATO ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1986, 30 (10): : 623 - 630
- [30] MEASUREMENT OF THE NITROGEN-CONTENT OF PLANT-BREEDING MATERIAL USING A CARLO-ERBA NITROGEN ANALYZER JOURNAL OF AGRICULTURAL SCIENCE, 1984, 103 (OCT): : 471 - 473