Soil Organic Carbon Stocks Under Coffee Agroforestry Systems And Coffee Monoculture In Uganda

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dc.contributor.authorTumwebaze, Susan Balaba
dc.contributor.authorByakagaba, Patrick
dc.date.accessioned2022-02-01T19:39:10Z
dc.date.available2022-02-01T19:39:10Z
dc.date.issued2016
dc.description.abstractCoffee agroforestry systems (CAS) are considered as a climate change mitigation option through carbon sequestration. However, most studies on CAS have concentrated on management and productivity of the coffee plants with little known about the soil organic carbon (SOC) stocks. We conducted a study to quantify and compare the SOC stocks among Coffea arabica L. (Arabica coffee), Coffee canephora Pierre ex Froehn (Robusta coffee) agroforestry systems and Coffee monoculture (coffee monocrops) in Uganda. Soil samples were collected at 0–15cm and 15–30cm and tested using routine soil testing procedures. We found that there was higher SOC under CAS than coffee monocrops. When intercropped with non- fruit tree species, Robusta CAS produced higher SOC (57.564tC/ha) compared to the Arabica CAS (54.543tC/ha). In contrast, Arabica CAS stored more SOC (54.01tC/ha) compared to Robusta CAS (49.635tC/Kg) when intercropped with fruit trees like Artocarpus heterophyllus Lam. and Mangifera indica L. Under the coffee monocrop systems, Robusta coffee sequestered 4.86tC/ha more SOC than Arabica coffee. The study showed that a farmer growing Robusta coffee intercropped with non-fruit trees is likely to benefit more from soil carbon credits than a farmer growing Arabica coffee with the same trees. Farmers growing Arabica coffee would sequester more carbon if intercropped with fruit trees. There is need for policy incentives that encourage the planting and maintenance of shade trees in coffee plantations for the benefit of carbon sequestration.en_US
dc.identifier.citationTumwebaze, S. B., & Byakagaba, P. (2016). Soil organic carbon stocks under coffee agroforestry systems and coffee monoculture in Uganda. Agriculture, Ecosystems & Environment, 216, 188-193.https://doi.org/10.1016/j.agee.2015.09.037en_US
dc.identifier.issn0167-8809
dc.identifier.urihttps://nru.uncst.go.ug/xmlui/handle/123456789/1736
dc.language.isoenen_US
dc.publisherAgriculture, Ecosystems & Environmenten_US
dc.subjectRobusta coffee; Arabica coffee; Soil carbon storage; Climate change mitigationen_US
dc.titleSoil Organic Carbon Stocks Under Coffee Agroforestry Systems And Coffee Monoculture In Ugandaen_US
dc.typeArticleen_US
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