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Biochar addition can reduce NOx gas emissions from a calcareous soil
Bing Wang;  Xinqing Lee;  Benny K. G. Theng;  Like Zhang;  Hongguang Cheng;  Jianzhong Cheng;  Wenqiang Lyu
2019
Source PublicationEnvironmental Pollutants and Bioavailability
Volume31Issue:1Pages:38-48
Abstract

The effect of biochar (BC) addition on NOx gas emissions was investigated from a calcareous soil. Application rates of zero (BC0), 1 (BC1), 2 (BC2), 5 (BC5), and 10 (BC10) percent weight/weight were used. The NOx emission flux was measured in a dynamic flux chamber. The flux was generally higher in BC0 than in the amended plots. The total NOx emission from BC1, BC2, BC5, and BC10 fell by 50.3, 75.3, 80.4, and 79.6%, respectively, relative to BC0. The emission flux from the BC5 showed a minimum average of 21.1 ± 13.5 μg N/(m2•h) for NO, −0.81 ± 1.31 μg N/(m2•h) for NO2, and 20.6 ± 13.8 μg N/(m2•h) for NOx. By comparison, the measured maximum average emission flux from the BC0 was 107.2 ± 30.98 μg N/(m2•h) for NO, −2.31 ± 2.56 μg N/(m2•h) for NO2, and 105.3 ± 45.3 μg N/(m2•h) for NOx. The results indicate that biochar amendment can potentially reduce NOx emissions.

KeywordNitrogen Oxides biochar calcareous Soil amendment
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/10415
Collection环境地球化学国家重点实验室
Affiliation1.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China
2.Puding Karst Ecosystem Research Station, State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Puding, China
3.Manaaki Whenua -Landcare Research, Palmerston North, New Zealand
4.Graduate University of the Chinese Academy of Sciences, Beijing, China
5.Institute of Guizhou Mountain Resources, Guizhou Academy of Sciences, Guiyang, China
Recommended Citation
GB/T 7714
Bing Wang;Xinqing Lee;Benny K. G. Theng;Like Zhang;Hongguang Cheng;Jianzhong Cheng;Wenqiang Lyu. Biochar addition can reduce NOx gas emissions from a calcareous soil[J]. Environmental Pollutants and Bioavailability,2019,31(1):38-48.
APA Bing Wang;Xinqing Lee;Benny K. G. Theng;Like Zhang;Hongguang Cheng;Jianzhong Cheng;Wenqiang Lyu.(2019).Biochar addition can reduce NOx gas emissions from a calcareous soil.Environmental Pollutants and Bioavailability,31(1),38-48.
MLA Bing Wang;Xinqing Lee;Benny K. G. Theng;Like Zhang;Hongguang Cheng;Jianzhong Cheng;Wenqiang Lyu."Biochar addition can reduce NOx gas emissions from a calcareous soil".Environmental Pollutants and Bioavailability 31.1(2019):38-48.
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