标题 |
![]() 氮肥类型对一氧化二氮排放的影响
相关领域
肥料
一氧化二氮
环境科学
温室气体
硝化作用
农学
氮气
温室
化学
生态学
生物
有机化学
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其它 | The factors controlling nitrous oxide (N2O) emissions after fertilizer nitrogen (N) applications are well studied. This information can be used to choose appropriate fertilizer sources and placement methods in order to minimize direct fertilizer-induced N2O emissions in cropping systems. Several field experiments have shown that locally concentrated, alkaline-forming fertilizers, such as anhydrous ammonia or subsurface banded urea, in soil produce more N2O than evenly dispersed fertilizers. Nitrification inhibitors lower N2O emissions, but fertilizers employing a physical barrier to control the release of plant-available N are not always effective in this respect. Adding the global warming potential from fertilizer production and field application can shift the overall greenhouse gas emissions among fertility practices depending on the fertilizer type being used. |
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