Articles | Volume 14, issue 11
https://doi.org/10.5194/bg-14-2851-2017
https://doi.org/10.5194/bg-14-2851-2017
Research article
 | 
13 Jun 2017
Research article |  | 13 Jun 2017

Biochar reduces yield-scaled emissions of reactive nitrogen gases from vegetable soils across China

Changhua Fan, Hao Chen, Bo Li, and Zhengqin Xiong

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Cited articles

Ameloot, N., Sleutel, S., Das, K. C., Kanagaratnam, J., and Neve, S. D.: Biochar amendment to soils with contrasting organic matter level: effects on N mineralization and biological soil properties, Glob. Change Biol., 7, 135–144, 2015.
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Avnery, S., Mauzerall, D. L., Liu, J., and Horowitz, L. W.: Global crop yield reductions due to surface ozone exposure: 1. Year 2000 crop production losses and economic damage, Atmos. Environ., 45, 2284–2296, 2011.
Behera, S. N., Sharma, M., Aneja, V. P., and Balasubramanian, R.: Ammonia in the atmosphere: a review on emission sources, atmospheric chemistry and deposition on terrestrial bodies, Environ. Sci. Pollut. R., 20, 8092–8131, 2013.
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Short summary
Intensive vegetable fields suffered very low N use efficiency and very high N2O emissions as compared to other ecosystems. We have demonstrated that two contrasting biochars affected gaseous reactive nitrogen intensity (N2O, NO, NH3, yield) across four major vegetable soils in China. Biochar affects gaseous Nr or yield largely depending on soil types. Both wheat straw biochar (Bw) and swine manure biochar (Bm) decreased GNI with Bw mitigated gaseous Nr, whereas Bm improved yield.
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