土壤水分
化学
氮气
有机质
环境化学
营养物
土壤有机质
环境科学
土壤科学
有机化学
作者
Falk Liebner,Georg Pour,José Maria de la Rosa Arranz,André Hilscher,Thomas Rosenau,Heike Knicker
出处
期刊:PubMed
日期:2011-09-05
卷期号:50 (37): A34-9
被引量:2
摘要
Nitrogen (N) is a major nutrient element controlling the cycling of organic matter in the biosphere. Its availability in soils is closely related to biological productivity. In order to reduce the negative environmental impact, associated with the application of mineral N-fertilizers, the use of ammonoxidised technical lignins is suggested. They can act as potential slow N-release fertilisers which concomitantly may increase C sequestration of soils by its potential to bind CO₂. The idea of our study was to combine an improved chemical characterisation of ammonoxidised ligneous matter as well as their CO₂-binding potential, with laboratory pot experiments, performed to enable an evaluation of their behaviour and stability during the biochemical reworking occurring in active soils.
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