Optimising Potato (<i>Solanum tuberosum</i> L.) Cultivation by Selection of Proper Soils
Koco, Štefan | Vilček, Jozef | Torma, Stanislav | Michaeli, Eva | Solár, Vladimír
This paper presents an attempt to differentiate the Slovak rural landscape with respect to the possibility of effective potato cultivation and to characterise soil parameters of current potato cultivation areas with the aim to increase the sustainability of the potato production. The selection was based on soil climatic, production and economic parameters. By using the GIS tools and existing databases on soil characteristics in Slovakia, maps of soil suitability categories for potato cultivation were generated. In Slovakia, it was found that 12.3% of farmland is very suitable for potato cultivation and that as much as 43.1% is not suitable. Later, the specified categories were characterised in detail and specified with respect to geographic, soil, climatic, production and economic parameters. Currently, most potato crops are cultivated on Cambisols (27%), Chernozems (20%) and Fluvisols (18%). Loamy soils (content of particles <0.01 mm is 30–45%), soils without gravel (gravel content in the depth 0.0–0.6 m is <10%), deep soils (>0.6 m) and soil situated on plains (slope 0°–3°) are dominant in these regions. We suggest that potato cultivation should be concentrated on the most suitable areas, thereby increasing the economic profitability, improving the ecological stability of the country and supporting the sustainability of the agriculture.
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