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Quantified soil evolution under shifting agriculture in southern Cameroon

dc.contributor.authorYemefack, M.
dc.contributor.authorNjomgang, R.
dc.contributor.authorRossiter, D.G.
dc.date.accessioned2019-12-04T11:30:19Z
dc.date.available2019-12-04T11:30:19Z
dc.date.issued2019-02-28
dc.identifier.citationYemefack, M., Njomgang, R. & Rossiter, D.G. (2019). Quantified soil evolution under shifting agriculture in southern Cameroon. Frontiers in Environmental Science, 7(16), 1-10.
dc.identifier.issn2296-665X
dc.identifier.urihttps://hdl.handle.net/20.500.12478/5254
dc.descriptionOpen Access Journal
dc.description.abstractIn the tropical rain forest zone of Southern Cameroon, shifting cultivation and perennial plantations of cocoa are the main farming systems practiced by small-scale farmers to ensure subsistence food crop production and a small income. This research used scientific modeling tools to produce quantitative information on the evolution of soils under this shifting agricultural system. An analysis of farming system led to the development of a conceptual model of the spatio-temporal dynamics of shifting agriculture, including transition matrices of rotational cycles that guided the sampling strategy for the study of soil evolution under the system. The study of soil variability showed that 30–35% of the total variance of some topsoil (0–20 cm) properties was due to the influence of land use practices. Five soil properties (pH, calcium, available phosphorus, bulk density and organic carbon) that are the most sensitive to these agricultural practices were empirically modeled and linear/quadratic fractional rational functions were successfully fitted to time series soil variables to derive quantitative measures on temporal changes in soil with land use. Data and methods produced are useful for soil quality assessment and spatio-temporal dynamic simulation in order to guide decision-making for sustainable land-use planning and soil resources management.
dc.description.sponsorshipInternational Tropical Timber Organization
dc.format.extent1-10
dc.language.isoen
dc.rightsCC-BY-4.0
dc.subjectSoil Properties
dc.subjectDynamics
dc.subjectSoil
dc.subjectEvolution
dc.subjectSoil Dynamics
dc.subjectShifting
dc.subjectAgriculture
dc.subjectTropical Rain Forest
dc.subjectCameroon
dc.titleQuantified soil evolution under shifting agriculture in southern Cameroon
dc.typeJournal Article
dc.description.versionPeer Review
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationInstitute of Agricultural Research for Development, Cameroon
cg.contributor.affiliationISRIC — World Soil Information
cg.coverage.regionAfrica
cg.coverage.regionWest Africa
cg.coverage.countryCameroon
cg.creator.identifierMartin YEMEFACK: 0000-0002-6709-8503
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectFarming Systems
cg.iitasubjectSmallholder Farmers
cg.iitasubjectSoil Fertility
cg.iitasubjectSoil Health
cg.iitasubjectSoil Information
cg.journalFrontiers in Environmental Science
cg.howpublishedFormally Published
cg.accessibilitystatusOpen Access
local.dspaceid103599
cg.targetaudienceScientists
cg.identifier.doihttps://dx.doi.org/10.3389/fenvs.2019.00016


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