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Assessing conservation agricultural production systems (CAPS) for small holder farmers in rain-fed farming system in sub-Saharan Africa (SSA)

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dc.contributor.authorNambozo, J.en
dc.contributor.authorNorton, Jay B.en
dc.contributor.authorOkeyo, M.en
dc.contributor.authorOdhiambo, Judith A.en
dc.contributor.authorOwori, M.en
dc.contributor.authorOluko, P.en
dc.contributor.authorOgonga, P.en
dc.contributor.departmentSustainable Agriculture and Natural Resource Management (SANREM) Knowledgebaseen
dc.coverage.spatialTororoen
dc.coverage.spatialEastern Ugandaen
dc.coverage.spatialWestern Kenyaen
dc.coverage.spatialTrans-Nzoiaen
dc.coverage.spatialKenyaen
dc.date.accessioned2016-04-19T20:30:24Zen
dc.date.available2016-04-19T20:30:24Zen
dc.date.issued2012en
dc.description.abstractThe challenge of sufficient food production by farmers in rainfed farming systems of sub-Saharan Africa is exacerbated by soil degradation and poor soil nutrient status. The objective of this study was to assess the effects of reduced and no tillage and velvet bean (Mucuna pruriens) cover crop on greenhouse gas (GHG) emissions and noxious weed population in alternative cropping practices to maize-bean production. Using a completely randomized block design, four replications of three tillage intensities and three cropping practices were established on two climatically different sites: Tranz-Nzoia in western Kenya, and Tororo in western Kenya and eastern Uganda, respectively. While CO2 emissions are comparable among sites and tillage treatments, N2O had significantly higher emissions in low elevation sites (where there are two growing seasons) and CH4 assimilation declined under reduced and no-tillage at high elevation sites. Reduced tilling also had a lower presence of narrow leaf species of weeds than deep tillage, but shallow hoeing had a lower weed density than no-till methods.en
dc.description.notesLTRA-10 (CAPS for smallholder farms in eastern Uganda and western Kenya)en
dc.format.mimetypeapplication/pdfen
dc.identifier7109en
dc.identifier.citationPresented at the SANREM CRSP and ASA-CSSA-SSSA Annual meeting, Cincinnati OH, 21-24 October 2012en
dc.identifier.other7109_Judith_poster_10_19.pdfen
dc.identifier.urihttp://hdl.handle.net/10919/70172en
dc.language.isoen_USen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectConservation agricultureen
dc.subjectEnvironmental impactsen
dc.subjectSmall-scale farmingen
dc.subjectRainfed agricultureen
dc.subjectClimate controlen
dc.subjectSustainable agricultureen
dc.subjectConservation tillageen
dc.subjectSubsistence productionen
dc.subjectGreenhouse gas emissionsen
dc.titleAssessing conservation agricultural production systems (CAPS) for small holder farmers in rain-fed farming system in sub-Saharan Africa (SSA)en
dc.typePosteren
dc.type.dcmitypeTexten

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