The Effect of Different Soil Tillage and Fertilization Methods on the Dynamics of Inorganic Nitrogen in Soil | Vplyv rôznych spôsobov obrábania a hnojenia pôdy na dynamiku anorganického dusíka v pôde
2012
Ondrišík, P., Slovak Univ. of Agriculture in Nitra (Slovak Republic) | Sovišová, M., Slovak Univ. of Agriculture in Nitra (Slovak Republic) | Urminská, J., Slovak Univ. of Agriculture in Nitra (Slovak Republic)
The aim of the experiment was to study the effect of different soil cultivation and fertilization methods on changes of nitrate, ammonium and inorganic nitrogen content in soil (Haplic Luvisol) during the monitored vegetation periods (2008/2009 - 2010/2011 ). This experiment was established on experimental bases of Slovak University of Agriculture in Nitra - Dolná Malanta on winter wheat (Triticum aestivum), varieties Verita and Bonita, with red clover as its before crop. The average concentrations of ammonium nitrogen and nitrate nitrogen were 4.41 mg per kg and 3.97 mg per kg respectively during the whole research period. Soil tillage system did not have significant influence on changes of inorganic nitrogen forms, however, fertilization had significant influence on changes of ammonium nitrogen. The highest values of nitrogen were recorded by disk tillage (B3 - 8.61 mg per kg) and in the treatment with fertilizations together with plowed crop residues (PZ-8.72 mg per kg).The weather conditions during vegetation periods strongly influenced the changes of nitrate nitrogen in soil.
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