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Academic publications

Evaluation of river sand as a medium for raising cocoa (Theobroma cacao L.) seedlings, Konlan, Sampson, and Opoku-Agyeman Michael Obour , American Journal of Agriculture and Forestry , 06/2014, Volume 2, Issue 4, Online, p.120, (2014) , (Academic Publication)
Sustainable cocoa - a matter of taste?, Laven, Anna, and van der Kooij Susanne , Origin Chocolate Event, 10/2013, Royal Tropical Institute , (2013) , (Academic Publication)
Climate Change Awareness and Coping Strategies of Cocoa Farmers in Rural Ghana, Codjoe, Francis Nana Yaw, Ocansey Charles K., Boateng Dennis O., and Ofori Johnson , Journal of Biology, Agriculture and Healthcare, 08/2013, (2013) , (Academic Publication)
Market study of fine flavour cocoa (revised version) , van der Kooij, Susanne , October/2013, Amsterdam, (2013) , (Academic Publication)

Soil carbon sequestration in cacao agroforestry systems: a case study from Bahia, Brazil

sjon van 't hof's picture
TitleSoil carbon sequestration in cacao agroforestry systems: a case study from Bahia, Brazil
Publication TypeBook Chapter
Year of Publication2011
AuthorsGama-Rodrigues, E. F., Gama-Rodrigues A. C., and Nair PK Ramachandran
Book TitleCarbon Sequestration Potential of Agroforestry Systems
Pagination85 - 99
PublisherSpringer Verlag
Publication Languageeng
ISBN Number978-94-007-1629-2
Keywordsbrazil, carbon storage, farmers & production, green production, soil management

The relationship between soil aggregation and the reserve pool of carbon (C) in soils under cacao, based on a case study conducted on cacao-agroforestry systems (AFS) in southern Bahia, Brazil, is the focus of this paper. The relevance of such studies for the management of cacao-AFS and shaded perennial crop systems on a broader scale is also examined. AFS based on cacao may play an important role in capturing C aboveground and storing it belowground (soil) through continuous deposition of plant residues. Cacao AFS in Bahia, Brazil, are comprised of cacao planted either with woody species such as Erythrina spp. and Gliricidia spp. or under tree canopies in natural forest, the latter being known as “cabruca”. The large amounts of leaf litter, roots, and woody material from shade species as well as cacao represent a substantial addition of C into these systems, most of which, following decomposition, is stored in the soil. The total C storage in the weathered Oxisols under cacao AFS in Bahia is estimated as 302 t/ha to 1 m depth. Occlusion of C in soil aggregates could be a major mechanism of C protection in these soils.


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