Effects of variable rate fertiliser application on selected macronutrients leaching from the ploughed layer

Jan Vopravil, Pavel Formánek, Ondřej Holubík, Pavel Svoboda and Tomáš Khel
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Jan Vopravil: Research Institute for Soil and Water Conservation, Prague, Czech Republic
Ondřej Holubík: Research Institute for Soil and Water Conservation, Prague, Czech Republic
Pavel Svoboda: Czech Agrifood Research Center, Prague, Czech Republic
Tomáš Khel: Research Institute for Soil and Water Conservation, Prague, Czech Republic

Soil and Water Research, 2025, vol. 20, issue 3, 206-217

Abstract: In this study, the effects of standard fertilisation versus variable fertilisation with mineral and organomineral fertilisers on N, P, K, Ca and Mg leaching from the ploughed layer and yields of winter wheat and spring wheat (Triticum aestivum L.) and spring barley (Hordeum vulgare L.) were studied. The losses of calcium were the highest, and phosphorus from phosphates was the lowest of all studied nutrients when simulated rainfall and lysimeters were used after the crops were harvested. The use of variable rate fertilisation reduced nitrates leaching in all the studied plots. Nevertheless, leaching of calcium, which is present in higher concentrations in soils (and also magnesium leaching), seems to be more dependent on the used fertilisers (or their combinations) and doses. As found in different studies, we proved that variable rate fertilisation may not increase grain yields.

Keywords: ammonium nitrogen; chemical soil properties; Chernozem; precision farming; texture (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlswr:v:20:y:2025:i:3:id:28-2025-swr

DOI: 10.17221/28/2025-SWR

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