“…The herbicides did not interfere with microbiological NO 3 − reduction through the range of concentrations evaluated (data not shown). Jørgensen et al (2004) found in columns with till that was degraded to natural DOC that bentazone acted, on the contrary, as a source of organic carbon. in wood chips and did not observe negative effects on denitrification.…”
Section: Effect Of Herbicides On Denitrificationmentioning
“…The herbicides did not interfere with microbiological NO 3 − reduction through the range of concentrations evaluated (data not shown). Jørgensen et al (2004) found in columns with till that was degraded to natural DOC that bentazone acted, on the contrary, as a source of organic carbon. in wood chips and did not observe negative effects on denitrification.…”
Section: Effect Of Herbicides On Denitrificationmentioning
“…Subsoil denitrification is mainly driven by leaching of organic carbon from the topsoil and denitrification can be strongly limited according to studies by Brye et al (2001). Chemical transformation and sorption processes resulted in a constant decrease of instable organic matter with depth (Siemens et al, 2003;Jorgensen et al, 2004). It can therefore be assumed, that the vadose zone is of low importance for nutrient turnover and denitrification because of the low availability of organic matter.…”
Section: Transport and Turnover Of Nitrogen In Soil And Vadose Zonementioning
“…In the latter case, electrons needed for nitrate reduction are originated from the oxidation of organic matter that also acts as a source of cellular carbon (heterotrophism). Illustrative, a stoichiometric reaction of a complete heterotrophic denitrification to nitrogen gas is presented in Equation 1 [5]. 5CH 2 O + 4NO 3 -→ 2N 2 + 4HCO 3 -+ 3H 2 O + CO 2…”
The aim of the present study is to investigate the vertical distribution of the Nitrate Reduction Potential (NRP) at different depths on a natural (Evi
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