Sources of water used by trees and millet in Sahelian windbreak systems

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dc.contributor.authorSmith, D. M.en
dc.contributor.authorJarvis, P. G.en
dc.contributor.authorOdongo, J. C. W.en
dc.contributor.departmentSustainable Agriculture and Natural Resource Management (SANREM) Knowledgebaseen
dc.coverage.spatialSahelen
dc.date.accessioned2016-04-19T18:55:57Zen
dc.date.available2016-04-19T18:55:57Zen
dc.date.issued1997en
dc.descriptionMetadata only recorden
dc.description.abstractThe extent to which water use by trees and crops is complementary in agroforestry systems may be affected by the proximity of groundwater to the soil surface. This may have important implications for the planning and management of agroforestry in semi-arid regions such as the Sahel of West Africa. A method of distinguishing uptake of water by plants from different sources was used, therefore, at locations with contrasting water table levels, to determine whether Azadirachta indica A. Juss (neem) trees in windbreaks utilized water from the same depths as adjacent crops of pearl millet (Pennisetum glaucum (L.) R. Br.). Comparisons of ratios of the stable isotopes of oxygen (18O/16O) in plant sap, groundwater and water in the unsaturated zone of the soil profile were made in the Majjia Valley, in south-central Niger, where groundwater was found at depths of 6-8 m, and at Sadoré in south-western Niger, where the water table was at a depth of 35 m.en
dc.format.mimetypetext/plainen
dc.identifier1322en
dc.identifier.citationJournal of Hydrology 198: 140-153en
dc.identifier.issn0022-1694en
dc.identifier.urihttp://hdl.handle.net/10919/66030en
dc.language.isoen_USen
dc.publisherParis, France: Elsevier Science B.V.en
dc.rightsIn Copyrighten
dc.rights.holderCopyright 1997 Elsevier Science B.V.en
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectSoilen
dc.subjectWateren
dc.subjectPlantsen
dc.subjectForestryen
dc.subjectForestsen
dc.subjectHydrologyen
dc.subjectBotanyen
dc.subjectGroundwateren
dc.subjectCropsen
dc.subjectWindbreak systemsen
dc.subjectPlant water uptakeen
dc.subjectFarm/Enterprise Scaleen
dc.titleSources of water used by trees and millet in Sahelian windbreak systemsen
dc.typeAbstracten
dc.type.dcmitypeTexten

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