Surface soil physical properties after twelve years of dryland no-till management

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dc.contributor.authorShaver, T. M.en
dc.contributor.authorPeterson, G. A.en
dc.contributor.authorAhuja, L. R.en
dc.contributor.authorWestfall, D. G.en
dc.contributor.authorSherrod, L. A.en
dc.contributor.authorDunn, G.en
dc.contributor.departmentSustainable Agriculture and Natural Resource Management (SANREM) Knowledgebaseen
dc.coverage.spatialColoradoen
dc.coverage.spatialUnited Statesen
dc.date.accessioned2016-04-19T20:07:24Zen
dc.date.available2016-04-19T20:07:24Zen
dc.date.issued2002en
dc.descriptionMetadata only recorden
dc.description.abstractThis study compares the effects of different cropping systems on the surface 2.5 cm of soil in a no-till dryland farming system in Colorado. A wheat-fallow (WF) rotation provided the baseline for comparison with a wheat-corn-fallow (WCF) rotation and continuous cropping (CC). Systems that left more residue on the field had lower bulk density and better porosity than the wheat-fallow system. Macroaggregation correlated to increased amounts of residues and soil clay content. No-till management allows crop intensification because of better water capture and storage; instead of one crop every two years, it is possible and preferable to plant two every three (wheat-corn-fallow) or even practice continuous cropping. Under conditions that increase crop residues, soil properties improve; more intensive production systems will be more productive and sustainable.en
dc.format.mimetypetext/plainen
dc.identifier4491en
dc.identifier.citationSoil Science Society of America Journal 66(4): 1296-1303en
dc.identifier.issn0361-5995en
dc.identifier.issn1435-0661en
dc.identifier.urihttp://hdl.handle.net/10919/68789en
dc.language.isoen_USen
dc.publisherMadison, WI: Soil Science Society of Americaen
dc.relation.urihttp://soil.scijournals.org/cgi/content/abstract/66/4/1296en
dc.rightsIn Copyrighten
dc.rights.holderCopyright 2002 Soil Science Society of Americaen
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectSoil organic matteren
dc.subjectConservation agricultureen
dc.subjectDryland farmingen
dc.subjectSemiarid zonesen
dc.subjectConservation tillageen
dc.subjectNo-tillen
dc.subjectCrop residuesen
dc.subjectCrop intensificationen
dc.subjectField Scaleen
dc.titleSurface soil physical properties after twelve years of dryland no-till managementen
dc.typeAbstracten
dc.type.dcmitypeTexten

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