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Effects of grassland sward diversity on nitrous oxide emissions following fertiliser N applicationunder ambient and wet soil conditions

机译:草地涂层多样性对肥料N施肥后氧化亚氮排放的影响

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Nitrous oxide from fertilised grassland pastures are an important source of anthropogenic greenhouse gas(GHG) emissions. Numerous factors have been shown to influence N2O emissions from soil, such as; moisture content,temperature, organic matter, and fertiliser source and rate (Liang et al. 2016). Mixed species swards are known to enhancesustainability indicators like invertebrate abundance and diversity. However, N fertiliser use and sward legume contentinteractions under differing environmental conditions are complex. Niklaus et al. (2016) found that species richnessreduced N2O emissions over time except from plots with increasing legume content when fertiliser was added. The aim ofthe present study was to investigate the effect of grassland sward diversity on N2O fluxes following fertiliser N applicationunder two contrasting soil moisture regimes.
机译:来自受精草地牧场的一氧化二氮是人为温室气体(GHG)排放的重要来源。 已经显示出许多因素来影响土壤的N2O排放,例如; 水分含量,温度,有机物和肥料源和速率(Liang等,2016)。 众所周知,混合物种草案可致力于无脊椎动物丰富和多样性等诱人的指标。 然而,在不同的环境条件下,N肥料使用和涂抹豆科植物含量复杂。 Niklaus等人。 (2016)发现,除了加入肥料时,除了增加豆类含量的地块之外,物种丰富的N2O排放。 本研究的目的是探讨草地涂抹多样性对肥料N施肥后的N2O助熔剂对两种对比土壤湿度制度的影响。

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