›› 2017, Vol. 29 ›› Issue (6): 977-981.DOI: 10.3969/j.issn.1004-1524.2017.06.17

• Environmental Science • Previous Articles     Next Articles

Effects of biochar based fertilizer on seasonal variation of greenhouse gas emissions

CHEN Hongwei1, HUANG Ling1, FENG Lu2, LI Xiaoqing2, MENG Yutian2, DAI Lin2   

  1. 1. Henan Institute of Science and Technology,Xinxiang 453003,China;
    2. College of Resources and Environment,Northeast Agricultural University,Harbin 150030,China
  • Received:2017-01-10 Online:2017-06-20 Published:2017-09-07

Abstract: A field experiment was performed to investigate the effect of application of biochar based fertilizer (0, 10, 20, 30 t·hm-2) on soil N2O,CO2 emissions in 2015 and 2016. It was shown that compared with CK, CO2-C emissions were increased in 2015 and 2016 by 0.81%-23.05% and 11.66%-30.94%, respectively, while, N2O emissions were decreased by 13.32%-16.59% and 7.90%-19.57% in 2015 and 2016, respectively. Based on the results, although application of biochar based fertilizer increased soil CO2 emission, it could effectively reduce soil N2O emission, and decrease global warming potential (GWP) and greenhouse gas intensity (GHGI). Moreover, the effects of 30·t·hm-2 application rate were sustainable between years.

Key words: biochar, sandy loam, green house gases, emission reduction

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