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On the basis of structure and qualitative parameters of agricultural soils, there are only 23.4% non-profitable soils for the winter wheat growing in the total area of the Gemer Region. The same percentage for the corn maize growing is 78.7%, for the sugar beet growing 80.0 % and for winter rape growing 46.0% of the total agricultural soils area in the mentioned region. Generally, for the crop production, it can be stated, that without production subsidies, at the present economic situation there are 65.9% soils n...

The correlation between the spatial variability of basic soil chemical properties (soil pH-value, content of available phosphorus and potassium) and winter wheat yield was studied. The mentioned parameters were observed on the one 11-hectare field located in north-eastern part of Slovak Republic. The field was divided on the grid 50x50 metres for soil sampling. Totally were sampled 37 soil samples. The soil samples were analysed for pH value and contents of available phosphorus and potassium. Next the basic statis...