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. 2017 Mar 17;6:30. doi: 10.1186/s40066-017-0108-6

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© 2017 Sellgren KL et al

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Relationship between modern maize cultivar adoption and grain yield in the 13 surveyed African countries in the 2013/2014 main crop season