| Issue |
MATEC Web Conf.
Volume 63, 2016
2016 International Conference on Mechatronics, Manufacturing and Materials Engineering (MMME 2016)
|
|
|---|---|---|
| Article Number | 03010 | |
| Number of page(s) | 4 | |
| Section | Materials Science and Engineering | |
| DOI | https://doi.org/10.1051/matecconf/20166303010 | |
| Published online | 12 July 2016 | |
Effect of biochar on the greenhouse gas emissions from farmland and its physicochemical properties
Shenyang Agricultural University, Biochar Engineering Technology Research Center of Liaoning Province, Shenyang 10086, China
a Corresponding author: cxy_beyond@126.com
To investigate the effects of biochar on greenhouse gas (GHGs) emissions by static chamber-gas chromatograph method, a field experiment with three treatments was conducted: soil without fertilizer (CK), soil with conventional fertilizer (N) and soil with chemical fertilizer after biochar application (NB). The results showed that biochar reduced the N2O emission significantly and increased the absorption of CH4 to soil. Compared to N, the N2O emission from NB decreased by 21.76%, and increased CH4 absorption by 55.31%, but no significant difference of CO2 emission was showed between NB and N. Meanwhile biochar increased soil pH, total nitrogen content and organic carbon content, and also decreased soil NH4+-N content and bulk density. Biochar provided a new way to reduce GHGs from farmland and force air pollution of China’s agriculture.
© Owned by the authors, published by EDP Sciences, 2016
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