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- Title
Estimation of NO emission from tea garden soils, their adjacent vegetable garden and forest soils in eastern China.
- Authors
Han, Wenyan; Xu, Jianming; Wei, Kang; Shi, Yuanzhi; Ma, Lifeng
- Abstract
The objective of this study was to investigate nitrous oxide (NO) emissions from different land-use types in eastern China. The dynamic changes of NO emissions were investigated in tea gardens with different nitrogen application rates, their adjacent vegetable garden and forest soils from June 2009 to May 2010. The results showed that high nitrogen application in a tea garden significantly increased soil NO emissions. Lower NO emission and percentage of NO-N to the applied N were observed in a tea garden with low N application than that from vegetable garden, indicating reasonable control of N application can efficiently decrease NO pollution in tea gardens. Both air and soil temperature had significant and positive impact on NO emissions, but little effect of precipitation was observed. Therefore, N application rate and environmental temperature are the most essential factors in influencing NO emission and should be taken into consideration in the field management of tea production.
- Subjects
CHINA; NITRIC oxide; GREENHOUSE gas mitigation; TEA gardens; FOREST soils; GARDEN soils; SOIL temperature
- Publication
Environmental Earth Sciences, 2013, Vol 70, Issue 6, p2495
- ISSN
1866-6280
- Publication type
Article
- DOI
10.1007/s12665-013-2292-4