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Pesticides and long-term denitrification conditions

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F21%3APU143709" target="_blank" >RIV/00216305:26110/21:PU143709 - isvavai.cz</a>

  • Výsledek na webu

  • DOI - Digital Object Identifier

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    Pesticides and long-term denitrification conditions

  • Popis výsledku v původním jazyce

    Groundwater is an important source of drinking water in many countries. Over the last decade, pesticides have been found at higher concentrations in these waters. This is potentiallydangerous for people and nature. For the future, it is very important to understand the behaviour of pesticides under denitrifying conditons, which are typical for groundwaters. The aim of this study was to investigate the behaviour of atrazine, terbuthylazine and tebuconazole under denitrifying conditions during 28 days. These conditions were simulated in a semi-continuous long-term laboratory test with a single dose of the test substance at the beginnig of the test. After 28 days, none of the tested pesticides showed an inhibitory effect on denitrification; on the contrary, they had a stimulating effect of up to 10% (terbuthylazine). Biotic loss was only measured in the test with atrazine (9.8%). The dominant mechanism of the loss of all tested pesticides was adsorption (terbuthylazine 68.4%, tebuconazole 82.7%, and atra

  • Název v anglickém jazyce

    Pesticides and long-term denitrification conditions

  • Popis výsledku anglicky

    Groundwater is an important source of drinking water in many countries. Over the last decade, pesticides have been found at higher concentrations in these waters. This is potentiallydangerous for people and nature. For the future, it is very important to understand the behaviour of pesticides under denitrifying conditons, which are typical for groundwaters. The aim of this study was to investigate the behaviour of atrazine, terbuthylazine and tebuconazole under denitrifying conditions during 28 days. These conditions were simulated in a semi-continuous long-term laboratory test with a single dose of the test substance at the beginnig of the test. After 28 days, none of the tested pesticides showed an inhibitory effect on denitrification; on the contrary, they had a stimulating effect of up to 10% (terbuthylazine). Biotic loss was only measured in the test with atrazine (9.8%). The dominant mechanism of the loss of all tested pesticides was adsorption (terbuthylazine 68.4%, tebuconazole 82.7%, and atra

Klasifikace

  • Druh

    O - Ostatní výsledky

  • CEP obor

  • OECD FORD obor

    10501 - Hydrology

Návaznosti výsledku

  • Projekt

  • Návaznosti

    S - Specificky vyzkum na vysokych skolach

Ostatní

  • Rok uplatnění

    2021

  • Kód důvěrnosti údajů

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