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Variable rate application (VRA) of mineral nitrogen fertilizers (NF) represents one of the parts of the new farming practice ? precision agriculture. VRA has been developed to address the spatial variability of fields and vegetation. The objective of this study was to assess the potential effect of VRA of NF on qualitative parameters of grain and grain yield in real farm conditions. Assessment of the potential effect of VAR of NF application was performed in Spearhead Czech Company which has been using VAR technol...

The studies on the effects of winter wheat cultivation technology and spring barley varying degrees of intensity on productivity, carried out in All-Russian Scientific Research Institute of Agriculture and Soil Protection, allowed a detailed analysis of the positive and negative aspects of these technologies usage, and also they let us define that when the intensification indicators increase the productivity of studied crops increases as well, together with simultaneously reducing of productivity varying on years....

Depletion of soil fertility due to decrease in soil organic matter content represents a considerable problem in both developed and undeveloped countries. This paper deals with the comparison of compost (Cp) and mineral nitrogen fertilizer (NF) application on selected soil parameters which indicate state of soil environment, its health and quality. The main objectives of this study were (a) to investigate influence of Cp and NF application on total nitrogen (TN) and carbon (TC) content in soil (b), to determine pos...