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Effect of aggregate size distribution on soil moisture, soil-gas diffusivity, and N2O emissions from a pasture soil
Geoderma ( IF 5.6 ) Pub Date : 2021-02-01 , DOI: 10.1016/j.geoderma.2020.114737
J.R.R.N. Jayarathne , T.K.K. Chamindu Deepagoda , Timothy J. Clough , Steve Thomas , Bo Elberling , Kathleen M. Smits

Abstract Grazed pastures rich in nitrogen (N) from ruminant urine and fertilizer inputs are significant sources of nitrous oxide (N2O), a highly potent greenhouse gas. Diffusion-controlled emission of N2O from pasture systems can be described by soil-gas diffusivity (Dp/Do), and its dependency on soil physical properties and soil moisture dynamics. But studies linking soil aggregation, soil moisture variation, Dp/Do and N2O emissions are lacking. Using coarse (2–4 mm) and fine (

中文翻译:

集料粒度分布对牧场土壤中土壤水分、土壤气体扩散率和 N2O 排放的影响

摘要 来自反刍动物尿液和肥料输入的富含氮 (N) 的放牧牧场是一氧化二氮 (N2O) 的重要来源,一氧化二氮是一种强效温室气体。牧场系统中 N2O 的扩散控制排放可以通过土壤气体扩散率 (Dp/Do) 及其对土壤物理特性和土壤水分动态的依赖性来描述。但缺乏将土壤聚集、土壤水分变化、Dp/Do 和 N2O 排放联系起来的研究。使用粗(2-4 毫米)和细(
更新日期:2021-02-01
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