3 years ago

Cocoa agroforestry is less resilient to sub-optimal and extreme climate than cocoa in full sun: Reply to Norgrove (2017)

Munir P. Hoffmann, Issaka Abdulai, Philippe Vaast, Laurence Jassogne, Richard Asare, Sophie Graefe, Reimund P. Rötter, Piet Van Asten
The critique of Norgrove, (2017) addresses two main points, which are discussed below (i) Resilience of cocoa agroforestry versus full sun under extreme climatic conditions In our study we covered extreme climatic events, a heat-wave combined with a severe dry season lasting longer than usual and killing cocoa trees under shade. These climatic conditions were not only observed at our study plots, but also in the larger cocoa cultivation region (Fig 1). In line with our observations, “certain cocoa cooperatives in Ivory Coast reported that shade trees in their cocoa fields accentuated the drought stress during the 2015 drought event” (1Andrew Broosk, pers comm). This article is protected by copyright. All rights reserved.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1111/gcb.14044

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