Journal
AGRONOMY FOR SUSTAINABLE DEVELOPMENT
Volume 42, Issue 4, Pages -Publisher
SPRINGER FRANCE
DOI: 10.1007/s13593-022-00788-2
Keywords
Coffee; Agroforestry systems; Climate change; Crop management; Light intensity; Meta-analysis; Yield
Categories
Funding
- European Union's Horizon 2020 (H2020) research and innovation program by the BREEDCAFS (Breeding Coffee for Agroforestry Systems) [727934]
- Fundacao para a Ciencia e a Tecnologia (FCT) [UIDB/00239/2020, UIDP/04035/2020]
- CIRAD
- ECOM trading
Ask authors/readers for more resources
The implications of shade trees in coffee production have been a subject of long-standing debate in the coffee research community. This study demonstrates the different responses of several Coffea arabica cultivars to shade with respect to yield. Through meta-analysis, significant genotypic heterogeneity in response to shade is found, suggesting the need to consider cultivar-level suitability for agroforestry systems.
The coffee research community has maintained a long ongoing debate regarding the implications of shade trees in coffee production. Historically, there has been contrasting results and opinions on this matter, thus recommendations for the use of shade (namely in coffee agroforestry systems) are often deemed controversial, particularly due to potential yield declines and farmers' income. This study is one of the first demonstrating how several Coffea arabica cultivars respond differently to shade with respect to yield. By standardising more than 200 coffee yield data from various in-field trials, we assembled the so-called Ristretto data pool, a one of a kind, open-source dataset, consolidating decades of coffee yield data under shaded systems. With this standardised dataset, our meta-analysis demonstrated significant genotypic heterogeneity in response to shade, showing neutral, inverted U-shaped and decreasing trends between yield and shade cover amongst 18 different cultivars. These findings encourage the examination of C. arabica at the cultivar level when assessing suitability for agroforestry systems. Comparison of productivity is also encouraged across a range of low to moderate shade levels (10-40%), in order to help elucidate potential unknown optimal shade levels for coffee production.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available