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A meta-analysis of long-term effects of conservation agriculture on maize grain yield under rain-fed conditions

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dc.contributor.authorRusinamhodzi, L.en
dc.contributor.authorCorbeels, Marcen
dc.contributor.authorvan Wijk, M. T.en
dc.contributor.authorRufino, M. C.en
dc.contributor.authorNyamangara, J.en
dc.contributor.authorGiller, Kenen
dc.contributor.departmentSustainable Agriculture and Natural Resource Management (SANREM) Knowledgebaseen
dc.date.accessioned2016-04-19T20:29:30Zen
dc.date.available2016-04-19T20:29:30Zen
dc.date.issued2011en
dc.descriptionMetadata only recorden
dc.description.abstractConservation agriculture is often encouraged for use in rain-fed maize systems in Southern Africa. The purpose of this meta-analysis is to identify the factors on maize yield in these conditions. Twenty-six studies lasting over 5 years were analyzed. Results indicate much variability and dependence on multiple influences on yield, such as rainfall, mulch cover, soil texture, nitrogen inputs, and climate. Some results include: mulch cover in high rainfall areas leads to lower yields, well-drained soils are necessary in order to see improved yields over time, and higher nitrogen inputs are necessary to achieve higher yields. The authors conclude that conservation agriculture and its related techniques must be adapted to specific biophysical conditions in order to have a beneficial impact on maize yields.en
dc.format.mimetypetext/plainen
dc.identifier5625en
dc.identifier.citationAgronomy for Sustainable Development 31: 657–673en
dc.identifier.doihttps://doi.org/10.1007/s13593-011-0040-2en
dc.identifier.issn1773-0155en
dc.identifier.urihttp://hdl.handle.net/10919/69962en
dc.language.isoen_USen
dc.publisherSpringeren
dc.rightsCopyright 2011 The Author(s). This article is published with open access at Springerlink.comen
dc.subjectRainfed agricultureen
dc.subjectConservation agricultureen
dc.subjectSemiarid zonesen
dc.subjectSubhumid zonesen
dc.subjectMaize grain yielden
dc.subjectMeta-analysisen
dc.subjectStability analysisen
dc.subjectSouthern africaen
dc.subjectEcosystem Farm/Enterprise Scale Field Scale Governance Watersheden
dc.titleA meta-analysis of long-term effects of conservation agriculture on maize grain yield under rain-fed conditionsen
dc.typeAbstracten
dc.type.dcmitypeTexten

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