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- [4] EFFECT OF LONG-TERM VARIED N, P, AND K FERTILIZATION ON NUTRIENT EXTRACTION, BALANCE AND UTILIZATION, AS WELL AS NUTRIENT CONTENT OF THE SOIL ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1980, 24 (02): : 99 - 106
- [7] EFFECT OF LONG-TERM DIFFERENTIATED FERTILIZATION WITH FARMYARD MANURE AND MINERAL FERTILIZERS ON THE CONTENT OF AVAILABLE FORMS OF P, K AND Mg IN SOIL JOURNAL OF ELEMENTOLOGY, 2009, 14 (04): : 779 - 786
- [8] THE INFLUENCE OF LONG-TERM FERTILIZATION WITH NITROGEN AND PHOSPHORUS ON THE NPK CONTENT IN SOIL AGROLIFE SCIENTIFIC JOURNAL, 2022, 11 (01): : 121 - 128
- [9] Nutrient dynamics of a sandy-loess parabrown soil in long-term differentiated potassium fertilization MENGEN- UND SPURENELEMENTE, 2000, : 759 - 765