Articles | Volume 1, issue 2
SOIL, 1, 707–717, 2015
https://doi.org/10.5194/soil-1-707-2015
SOIL, 1, 707–717, 2015
https://doi.org/10.5194/soil-1-707-2015

Original research article 15 Dec 2015

Original research article | 15 Dec 2015

Effect of biochar and liming on soil nitrous oxide emissions from a temperate maize cropping system

R. Hüppi et al.

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Short summary
Biochar is considered an opportunity to tackle major environmental issues in agriculture. Adding pyrolised organic residues to soil may sequester carbon, increase yields and reduce nitrous oxide emissions from soil. It is unknown, whether the latter is induced by changes in soil pH. We show that biochar application substantially reduces nitrous oxide emissions from a temperate maize cropping system. However, the reduction was only achieved with biochar but not with liming.