Influence of liming and mineral fertilization on the content of available forms of magnesium and potassium in soil
2008
Wiesław Bednarek | Renata Reszka
The influence of liming and fertilization with various nitrogen forms on the content of available forms of magnesium and potassium was determined in a two-year pot experiment. The factors of the study were liming, fertilization with two nitrogen forms at two levels and fertilization with phosphorus at two doses. Spring barley was harvested at its full maturity. The content of available magnesium was significantly related to liming and fertilization with various nitrogen forms. The application of calcium carbonate and the nitrate form of nitrogen led to the decrease of available magnesium concentration in soil. Differentiated rates of phosphorus and nitrogen were not the significant factors modifying the available magnesium content in soil. Liming and the applied form of nitrogen had the greatest effect on the content of available potassium in soil. Calcium carbonate as well as calcium nitrate contributed to the significant decrease of analyzed element concentration. A similar effect was caused by the application of increased rates of phosphorus.
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