Use of deep-rooted tropical pastures to build-up an arable layer throught improvement soil properties of an oxisol in the Eastern Plains (Llanos Orientales) of Colombia

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cg.coverage.countryColombia
cg.coverage.iso3166-alpha2CO
cg.coverage.regionSouth America
cg.creator.identifierIdupulapati M. Rao: 0000-0002-8381-9358
cg.isijournalISI Journal
cg.issn0167-8809
cg.journalAgriculture, Ecosystems and Environment
cg.reviewStatusPeer Review
cg.subject.ciatLAND USE
cg.subject.ciatSOIL HEALTH
cg.subject.ciatSOIL LANDSCAPES
cg.subject.ciatTROPICAL FORAGES
cg.subject.ciatWATER
cg.subject.ilriANIMAL FEEDING
cg.subject.ilriFORAGES
dc.contributor.authorAmézquita Collazos, Edgar
dc.contributor.authorThomas, Richard J.
dc.contributor.authorRao, Idupulapati M.
dc.contributor.authorMolina López, Diego Luis
dc.contributor.authorHoyos Garcés, Phanor
dc.date.accessioned2014-10-02T08:33:25Zen
dc.date.available2014-10-02T08:33:25Zen
dc.identifier.urihttps://hdl.handle.net/10568/44207
dc.titleUse of deep-rooted tropical pastures to build-up an arable layer throught improvement soil properties of an oxisol in the Eastern Plains (Llanos Orientales) of Colombiaen
dcterms.abstractIt is widely believed that tropical soils (mainly Oxisols) have excellent physical characteristics such as high infiltration rates, high permeability of water, good and stable soil structure and that consequently, they can support mechanized agriculture. However in the Eastern Plains (Llanos Orientales) of Colombia, when Oxisols are subjected to tillage using disc harrow, soil physical conditions deteriorate rapidly. We report here that change in land use with deep-rooted tropical pastures can enhance soil quality by improving the size and stability of soil aggregates when compared with soils under monocropping. In addition, rates of water infiltration improved by 5-10-fold while rainfall acceptance capacity improved by 3-5-fold. We suggest that intensive and sustainable use of these Oxisols, could only be possible if an arable or productive layer (i.e. a layer with improved soil physical, chemical and biological properties) is constructed and maintained. One option to achieve this arable layer is through the use of introduced tropical pastures with deep-rooting abilities that can result in increased soil organic matter and associated improvements in soil physical, chemical and biological properties. One land use option that can achieve these soil improvements is agropastoralism whereby pastures and crops are grown in short-term rotations.en
dcterms.accessRightsOpen Access
dcterms.issued2004
dcterms.languageen
dcterms.subjectfeed cropsen
dcterms.subjectsoil chemicophysical propertiesen
dcterms.subjectoxisolsen
dcterms.subjectinfiltrationen
dcterms.subjectsoil organic matteren
dcterms.subjecttop soilen
dcterms.subjectland improvementen
dcterms.subjectpropiedades físico - químicas sueloen
dcterms.subjectoxisolesen
dcterms.subjectinfiltraciónen
dcterms.subjectmateria orgánica del sueloen
dcterms.subjectcapa arable del sueloen
dcterms.subjectmejora de la tierraen
dcterms.typeJournal Article

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