Plant and Soil

, Volume 360, Issue 1–2, pp 287–298 | Cite as

Effects of biochar amendment in two soils on greenhouse gas emissions and crop production

  • Jinyang Wang
  • Xiaojian Pan
  • Yinglie Liu
  • Xiaolin Zhang
  • Zhengqin Xiong
Regular Article



Worldwide, there is an increasing interest in using biochar in agriculture to help mitigate global warming and improve crop productivity.


The effects of biochar on greenhouse gas (GHG) emissions and rice and wheat yields were assessed using outdoor pot experiments in two different soils (upland soil vs. paddy soil) and an aerobic incubation experiment in the paddy soil.


Biochar addition to the upland soil increased methane (CH4) emissions by 37 % during the rice season, while it had no effect on CH4 emissions during the wheat season. Biochar amendment decreased nitrous oxide (N2O) emissions up to 54 % and 53 % during the rice and wheat seasons, respectively, but had no effect on the ecosystem respiration in either crop season. In the aerobic incubation experiment, biochar addition significantly decreased N2O emissions and increased carbon dioxide (CO2) emissions from the paddy soil (P < 0.01) without urea nitrogen. Biochar addition increased grain yield and biomass if applied with nitrogen fertilizer. Averaged over the two soils, biochar amendments increased the production of rice and wheat by 12 % and 17 %, respectively, and these increases can be partly attributed to the increases in soil nitrate retention.


Our results demonstrated that although biochar increased the global warming potential at high nitrogen fertilizer application, biochar incorporation significantly decreased N2O emissions while promoting crop production.


Biochar Greenhouse gas emissions Crop yield Rice and wheat rotation Paddy soil 



We sincerely appreciate the editor Dr. Johannes Lehmann and two anonymous reviewers for their critical and valuable comments to help improve this manuscript. This work was jointly supported by the National Science Foundation of China (41171238 and 40971139), the National Basic Research Program of China (2009CB118603), the Nonprofit Research Foundation for Agriculture (200903003), the Program for New Century Excellent Talent in Universities (NCET-10-0475), the Doctoral Program of Higher Education of China (20110097110001), the Fundamental Research Funds for the Central Universities (KYZ201110) and the PAPD.


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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Jinyang Wang
    • 1
  • Xiaojian Pan
    • 1
  • Yinglie Liu
    • 1
  • Xiaolin Zhang
    • 1
  • Zhengqin Xiong
    • 1
  1. 1.Jiangsu Key Laboratory of Low Carbon Agriculture and GHG Mitigation, College of Resources and Environmental SciencesNanjing Agricultural UniversityNanjingChina

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