Evaluation of the mercury content of loamy sand soil after long-term nitrogen and potassium fertilization
2015
B. Rutkowska | B. Murawska | E. Spychaj-Fabisiak | Sz. Różański | W. Szulc | A. Piekut
The study was based on soil samples taken after the long-term fertilizer experiment (1974-2014) where different doses of nitrogen and potassium were applied. The experiment was located at the Research Station of the UTP University of Science and Technology in Bydgoszcz (Poland). The long-term application of nitrogen and potassium fertilizers leads to changes in the concentration of mercury, soil acidification, reduction in total organic carbon, total nitrogen as well as affluence of available nutrients (P, K, Mg) and increased mobility of copper and zinc. The significant positive correlation between total mercury content in the soil and the content of N-NO3, Zn, N-NH4 and the hydrolytic acidity value were stated.
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