Potassium fractions in soil and simple K balance in long-term fertilising experiments

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F20%3A83790" target="_blank" >RIV/60460709:41210/20:83790 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.17221/151/2019-SWR" target="_blank" >https://doi.org/10.17221/151/2019-SWR</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.17221/151/2019-SWR" target="_blank" >10.17221/151/2019-SWR</a>

Result language
angličtina
Original language name
Potassium fractions in soil and simple K balance in long-term fertilising experiments
Original language description
Experiments were used to determine the potassium release from the non-exchangeable K (K-ne) forms that are involved in plant nutrition and which replenish the pool of available K. Long-term stationary field experiments with different fertilisation systems (organic: farmyard manure, sewage sludge, straw, mineral: NPK, N) were carried out to study the potassium balance and the K content changes in the topsoil (0-30 cm) and subsoil (30-60 cm). The trials were located at three sites with different soil-climatic conditions. The following crops were rotated within the trial: potatoes (maize) winter wheat spring barley. All three crops were grown each year over 21 years. Positive correlations between the contents of the available K in the topsoil and the potassium balance (K inputs K outputs) were observed. There were no statistically significant differences among the treatments. Depending on the soil properties, the ratio of non-exchangeable K (K-ne) was 12-37% of the values obtained via the aqua regia ext
Czech name
—
Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
40101 - Agriculture

Project
<a href="/en/project/EF16_019%2F0000845" target="_blank" >EF16_019/0000845: Centre for investigation of synthesis and transformation of nutritional substances in the food chain in interaction with potentially harmful substances of athropogenic origin: assessment of contamination risks for the quality of production</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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