Emissions of N2O from Scottish agricultural soils, as a function of fertilizer N

被引：0
|
作者：
Keith A. Smith
Iain P. McTaggart
Karen E. Dobbie
Franz Conen
机构：
来源：
Nutrient Cycling in Agroecosystems | 1998年 / 52卷
关键词：
arable crops; global warming; grassland; nitrogen fertilizer; nitrous oxide; soils;
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学科分类号：
摘要：
Potato fields and cut (ungrazed) grassland in SE Scotland gave greater annual N2O emissions per ha (1.0–3.2 kg N2O–N ha-1) than spring barley or winter wheat fields (0.3–0.8 kg N2O–N ha-1), but in terms of emission per unit of N applied the order was potatoes > barley > grass > wheat. On the arable land, especially the potato fields, a large part of the emissions occurred after harvest.
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页码：123 / 130
页数：7
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