Impact of cover cropping and landscape positions on nitrous oxide emissions in northeastern US agroecosystems
Agriculture, Ecosystems & Environment(2017)
摘要
•Impact of Cover Cropping and Landscape Positions on Nitrous Oxide Emissions in Northeastern US Agroecosystems.•Landscape and management interactively control soil properties and N2O emissions.•Average N2O emissions were similar in the cover crop- and fertilizer-based fields.•The landscape impact on N2O emissions was only found in the conventional field.
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关键词
Greenhouse gas,Agricultural management,Hillslope hydrology,Principal component analysis,Red clover,Nitrogen
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