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Contribution of cacao agroforestry versus mono-cropping systems for enhanced sustainability. A review with a focus on yield

Abstract : The demand for cocoa has increased over the past years following the growth of cocoa-based products linked to the rise in living standard in highly populated countries. Cacao industry is therefore currently facing the dilemma of producing more cacao while ensuring its sustainability. Cacao monocrops and agroforestry systems (AFS) are two contrasting ways to produce cocoa, yet their impact on yields, contribution to farmer livelihood, cocoa quality remains understudied. Therefore, we reviewed existing literature comparing monocrop cacao farming systems with simple or complex AFS. We found 19 comparisons of the cocoa yields in monocrops and simple AFS and 20 comparisons of monocrop and complex AFS. Three main research findings derive from this work. First, in about one third of cases, cacao trees yield more (or equally) in AFS than in monocrops. However, when considering only simple AFS, cacao trees yield more or equal to cacao monocrop in 52% of the cases. Second, cocoa AFS yields an average of 14% less than cacao monocrop. Yet, on average simple AFS yielded 2% less than cacao monocrops. Finally, there are too little elements to draw conclusions about the nexus between cocoa quality and cacao tree cultivation system.
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Submitted on : Thursday, August 25, 2022 - 11:01:27 AM
Last modification on : Monday, September 19, 2022 - 5:16:17 PM

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Giulia Mattalia, Alexander Wezel, Pierre Costet, Patrick Jagoret, Olivier Deheuvels, et al.. Contribution of cacao agroforestry versus mono-cropping systems for enhanced sustainability. A review with a focus on yield. Agroforestry Systems, Springer Verlag, 2022, ⟨10.1007/s10457-022-00765-4⟩. ⟨hal-03760360⟩

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