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Use of digestate in potato growing technology

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60109807%3A_____%2F16%3AN0000049" target="_blank" >RIV/60109807:_____/16:N0000049 - isvavai.cz</a>

  • Výsledek na webu

    <a href="http://eapr2016agrphys.eu/" target="_blank" >http://eapr2016agrphys.eu/</a>

  • DOI - Digital Object Identifier

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    Use of digestate in potato growing technology

  • Popis výsledku v původním jazyce

    Digestate is material remaining after fermentation process, which is produced by anaerobic digestion during biogas production. Fertilization with digestate is similar as slurry application, but it is always suitable to take into account current nitrogen content. Numerous authors present the effect of digestate application on the quality of plant products, but for potato such findings have been not published yet. In the years 2014 - 2015 a field trial was established at the station in Valečov with digestate compared to typical mineral fertilizer. The obtained results show that the year of growing had a significant impact on yield and quality of tubers, and especially in 2015, when yields were largely affected by extreme drought. Especially tuber yield in 2014 was positively affected by variants with digestate compared to urea but any significant impact on the internal quality of tubers was not found. Rate or kind of fertilizer had no effect on potato quality. Starch content in potato tubers was not statistically significantly affected by fertilization variant. A difference between studied variants was 0,5 % within the variants. Total nitrogen content in tubers was highest, as expected, in the variant dose of digestate 150 % N. As the results show, digestate application could lead to a substantial increase of amount and quality of agricultural crops due to supply of nutrients harmonized with plant demands. Due to the year effect (2015) in the field trials with potato fertilization using digestate statistically significant results were only obtained in 2014.

  • Název v anglickém jazyce

    Use of digestate in potato growing technology

  • Popis výsledku anglicky

    Digestate is material remaining after fermentation process, which is produced by anaerobic digestion during biogas production. Fertilization with digestate is similar as slurry application, but it is always suitable to take into account current nitrogen content. Numerous authors present the effect of digestate application on the quality of plant products, but for potato such findings have been not published yet. In the years 2014 - 2015 a field trial was established at the station in Valečov with digestate compared to typical mineral fertilizer. The obtained results show that the year of growing had a significant impact on yield and quality of tubers, and especially in 2015, when yields were largely affected by extreme drought. Especially tuber yield in 2014 was positively affected by variants with digestate compared to urea but any significant impact on the internal quality of tubers was not found. Rate or kind of fertilizer had no effect on potato quality. Starch content in potato tubers was not statistically significantly affected by fertilization variant. A difference between studied variants was 0,5 % within the variants. Total nitrogen content in tubers was highest, as expected, in the variant dose of digestate 150 % N. As the results show, digestate application could lead to a substantial increase of amount and quality of agricultural crops due to supply of nutrients harmonized with plant demands. Due to the year effect (2015) in the field trials with potato fertilization using digestate statistically significant results were only obtained in 2014.

Klasifikace

  • Druh

    O - Ostatní výsledky

  • CEP obor

    GC - Pěstování rostlin, osevní postupy

  • OECD FORD obor

Návaznosti výsledku

  • Projekt

  • Návaznosti

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Ostatní

  • Rok uplatnění

    2016

  • Kód důvěrnosti údajů

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů