Tillage and vegetative barrier effects on soil conservation and short-term economic benefits in the Central Kenya highlands

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dc.contributor.authorGuto, S. N.en
dc.contributor.authorPypers, P.en
dc.contributor.authorVanlauwe, Bernarden
dc.contributor.authorde Ridder, N.en
dc.contributor.authorGiller, Kenen
dc.contributor.departmentSustainable Agriculture and Natural Resource Management (SANREM) Knowledgebaseen
dc.coverage.spatialKenyaen
dc.coverage.spatialEast Africaen
dc.coverage.spatialAfricaen
dc.date.accessioned2016-04-19T20:29:21Zen
dc.date.available2016-04-19T20:29:21Zen
dc.date.issued2011en
dc.descriptionMetadata only recorden
dc.description.abstractIntegrating vegetative soil erosion barriers with minimum tillage practices can be an economically viable method in reducing soil loss in intensively managed sloping land in the East African Highlands. This study sought to compare minimum and regular tillage practices with and without vegetative barriers (leucaena and Napier) under local farming conditions in Kenya. Minimum tillage yields of soybean and maize were superior to conventional, except in instances of root competition within the Napier no-till trial. Minimum tillage trials without barriers experienced significant soil loss during periods of heavy rainfall and had the lowest marginal rate of returns. Napier barriers with conventional tillage conserved the most soil and represented an economically viable option; however, leucaena barrier use couple with conventional tillage was found to be a less risky practice with even greater economic returns. Longer term studies in multiple locations are necessary to determine impacts across a highly varied cohort of smallholder farmers in the African Highlands.en
dc.format.mimetypetext/plainen
dc.identifier5327en
dc.identifier.citationField Crops Research 122: 85-94en
dc.identifier.issn0378-4290en
dc.identifier.urihttp://hdl.handle.net/10919/69919en
dc.language.isoen_USen
dc.publisherElsevieren
dc.rightsIn Copyrighten
dc.rights.holderCopyright 2011 Elsevier B.V. All rights reserved.en
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectSoil erosionen
dc.subjectEnvironmental impactsen
dc.subjectEconomic impactsen
dc.subjectConservation tillageen
dc.subjectHighlandsen
dc.subjectKenyaen
dc.subjectVegetative barriersen
dc.subjectLeucaenaen
dc.subjectNapieren
dc.subjectMarginal rate of returnsen
dc.subjectMaizeen
dc.subjectSoybeansen
dc.titleTillage and vegetative barrier effects on soil conservation and short-term economic benefits in the Central Kenya highlandsen
dc.typeAbstracten
dc.type.dcmitypeTexten

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