Articles | Volume 17, issue 2
https://doi.org/10.5194/bg-17-345-2020
https://doi.org/10.5194/bg-17-345-2020
Research article
 | 
22 Jan 2020
Research article |  | 22 Jan 2020

Effect of legume intercropping on N2O emissions and CH4 uptake during maize production in the Great Rift Valley, Ethiopia

Shimelis Gizachew Raji and Peter Dörsch

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Cited articles

Abera, G., Wolde-Meskel, E., and Bakken, L. R.: Unexpected high decomposition of legume residues in dry season soils from tropical coffee plantations and crop lands, Agron. Sustain. Dev., 34, 667–676, 2014. 
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Aronson, E. L. and Helliker, B. R.: Methane flux in non-wetland soils in response to nitrogen addition: a meta-analysis, Ecology, 91, 3242–3251, 2010. 
Arslan, A., Mccarthy, N., Lipper, L., Asfaw, S., Cattaneo, A., and Kokwe, M.: Climate Smart Agriculture? Assessing the Adaptation Implications in Zambia, J. Agr. Econ., 66, 753–780, 2015. 
Baggs, E. M., Chebii, J., and Ndufa, J. K.: A short-term investigation of trace gas emissions following tillage and no-tillage of agroforestry residues in western Kenya, Soil Till. Res., 90, 69–76, 2006. 
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Intercropping maize with forage legumes can benefit Ethiopian smallholder farmers by providing cheap nitrogen and valuable livestock feed. We measured N2O emissions and maize yields and found that high legume biomasses may enhance N2O emissions per unit of harvested maize but that, after mulching, legume N can partly replace expensive mineral N. Thus, legume intercropping can be a valid strategy in the framework of climate-smart agriculture in sub-Saharan Africa.
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