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Deep accumulation of soluble organic nitrogen after land-use conversion from woodlands to orchards in a subtropical hilly region
- Source :
- Science of The Total Environment. 863:160931
- Publication Year :
- 2023
- Publisher :
- Elsevier BV, 2023.
-
Abstract
- Accumulation of soluble organic nitrogen (SON) in soil poses a significant threat to groundwater quality and plays an important role in regulating the global nitrogen cycle; however, most related studies have focused only on the upper 100-cm soil layers. Surface land-use management and soil properties may affect the vertical distribution of SON; however, their influence is poorly understood in deep soil layers. Therefore, this study assessed the response of SON concentration, pattern, and storage in deep regoliths to land-use conversion from woodlands to orchards in a subtropical hilly region. Our results showed that the SON stocks of the entire soil profile (up to 19.5 m) ranged from 254.5 kg N ha
Details
- ISSN :
- 00489697
- Volume :
- 863
- Database :
- OpenAIRE
- Journal :
- Science of The Total Environment
- Accession number :
- edsair.doi.dedup.....3f3885199b7e8363a3c057fc262d28c6