Effect of biochar amendment on yield and methane and nitrous oxide emissions from a rice paddy from Tai Lake plain, China.

作者: Afeng Zhang , Liqiang Cui , Gengxing Pan , Lianqing Li , Qaiser Hussain

DOI: 10.1016/J.AGEE.2010.09.003

关键词:

摘要: A field trial was performed to investigate the effect of biochar at rates of 0, 10 and 40tha− 1 on rice yield and CH4 and N2O emissions with or without N fertilization in a rice paddy from Tai Lake plain, China. The paddy was cultivated with rice (Oryza sativa L., cv. Wuyunjing 7) under a conventional water regime. Soil emissions of CH4 and N2O were monitored with a closed chamber method throughout the whole rice growing season (WRGS) at 10 day intervals. Biochar amendments of 10tha− 1 and 40tha− 1 increased rice yields by 12% and …

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