2023
DOI: 10.3390/f14071351
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Effects of Nitrogen Deposition on Leaf Litter Decomposition and Soil Organic Carbon Density in Arid and Barren Rocky Mountainous Regions: A Case Study of Yimeng Mountain

Abstract: The ecological impact of nitrogen (N) deposition has gained significance since the advent of the industrial revolution. Although numerous studies have examined the impact of N deposition on soil organic carbon (SOC), certain arid and barren rocky mountainous regions, which experience more pronounced N limitations, have been overlooked. This study was conducted in the Yimeng Mountains, examining eight treatments created by four N addition levels (0 kg N ha−1 yr−1, 50 kg N ha−1 yr−1, 100 kg N ha−1 yr−1 and 200 k… Show more

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Cited by 3 publications
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“…Nitrogen addition reduces the nitrogen limitation of soil microorganisms and enhances enzyme activity, thereby promoting leaf litter decomposition [42]. However, prolonged or excessive N addition generally exhibited negative effects on litter decomposition [43]. Nitrogen addition induces soil acidification, increases the osmotic pressure of the soil solution, and adversely affects microbial growth, which in turn inhibits litter decomposition [44,45].…”
Section: Simulation Of the Effect Of Nitrogen Deposition On Litter De...mentioning
confidence: 99%
“…Nitrogen addition reduces the nitrogen limitation of soil microorganisms and enhances enzyme activity, thereby promoting leaf litter decomposition [42]. However, prolonged or excessive N addition generally exhibited negative effects on litter decomposition [43]. Nitrogen addition induces soil acidification, increases the osmotic pressure of the soil solution, and adversely affects microbial growth, which in turn inhibits litter decomposition [44,45].…”
Section: Simulation Of the Effect Of Nitrogen Deposition On Litter De...mentioning
confidence: 99%