Essays about: "Denitrification"
Showing result 1 - 5 of 75 essays containing the word Denitrification.
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1. Greenhouse gas emissions from peat soil thawing in spring : a comparison between fertilized and unfertilized soil
University essay from SLU/Dept. of Soil and EnvironmentAbstract : Peat soils drained for agriculture and forestry contribute to a significant amount of greenhouse gas emissions. Nitrous oxide is a greenhouse gas with high warming potential and agriculture in general accounts for about 70 % of nitrous oxide emissions. READ MORE
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2. The potential nitrous oxide emissions in a permanent grassland chronosequence
University essay from SLU/Dept. of Forest Mycology and Plant PathologyAbstract : As a part of a larger project (Belowground biodiversity of grasslands – conservation needs and potential to promote sustainable agriculture), this study aims to investigate potential nitrous oxide (N2O) emissions and microbial gene abundances needed for the production (nirS and nirK) and reduction (nosZI and nosZII) of nitrous oxide in soil of permanent grasslands of various age. Thegrasslands have at different times been converted to permanent grasslands and are of interest because of the possibility to shed more light about the passage of time’s affects on the soil microbialcommunities and their activity. READ MORE
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3. Modelling the full-scale N2O emissions from wastewater treatment plants for identifying mitigation strategies
University essay from Lunds universitet/Kemiteknik (CI)Abstract : Nitrous oxide (N2O) emissions, which primarily originate from the biological nitrogen removal process, dominate the release of greenhouse gases (GHGs) in wastewater treatment plants (WWTPs). N2O production occurs through dynamic microbial pathways that have a significant impact on the environment compared with other GHG emissions. READ MORE
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4. Some Like It Hot: Pre-heating Prior to Bioreactor Treatment Enhances Nitrogen Removal From Mine Drainage
University essay from Uppsala universitet/Luft-, vatten- och landskapsläraAbstract : Ammonium-nitrate based explosives (NH4NO3) used within the operations of Kiruna iron ore mine release nitrate (NO3-) into the environment, potentially having adverse effects on local river-systems. One way of reducing NO3- impacts to the environment is through a woodchip denitrifying bioreactor (DBR). READ MORE
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5. Effects of cover crops on nitrous oxide (N2O) emissions in cereal cropping
University essay from SLU/Dept. of EcologyAbstract : More than 60% of anthropogenic nitrous oxide (N2O) emissions are attributed to agricultural activities. N2O production in soils highly depends on the N availability along with other factors such as soil moisture content, which provide suitable conditions for nitrification and denitrification. READ MORE