Nitrogen mineralized ability of peat soil and its changes under the influence of prolonged anthropogenic exposure | Азотминерализующая способность торфяных почв и ее изменения под влиянием длительного антропогенного воздействия
2012
Semenenko, N.N. | Karankevich, E.V., National Academy of Sciences. Scientific and Practical Center for Arable Farming (Belarus). Institute for Land Reclamation
In the conditions of the Republic of Belarus there were presented the results of research of the influence of drainage and long-term agricultural use of peat soils on the transformation of their biological activity: nitrifying, ammonifying and nitrogen-mineralized ability. There were showed the data close relation (R2 = 0,88-0,89) of nitrogen-mineralized ability of peat soils with a content of organic matter and their diagnostic signs of biological activity. Research results showed that soil drainage and agricultural use of pea t soils rendered substantial influence on their biological activity. Peat soils after their drainage had high potential of nitrifying, ammonifying and nitrogen-mineralized ability (AMN – sum of N-NO3+N-NH4) – 300-400 anf more N min.mg/kg of soil. In case of agricultural use and reduction of organic matter content in soil the potential of AMN lowered up to 118-141 N min.mg/kg of soil. There were determined close relations between content of organic matter in soil and nitrifying, ammonifying ability of peat soils which was presented by the appropriate regression equations.
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