Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/44981
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dc.contributor.authorLópez-Lozano, Raúl-
dc.contributor.authorCasterad Seral, María Auxiliadora-
dc.contributor.authorHerrero Isern, Juan-
dc.date.accessioned2012-02-01T10:12:06Z-
dc.date.available2012-02-01T10:12:06Z-
dc.date.issued2010-08-
dc.identifier.citationLópez-Lozano R, Casterad MA, Herrero J. Site-specific management units in a commercial maize plot delineated using very high resolution remote sensing and soil properties mapping. Computers and Electronics in Agriculture 73 (2): 219-229 (2010)es_ES
dc.identifier.issn0168-1699-
dc.identifier.urihttp://hdl.handle.net/10261/44981-
dc.description14 Pags. The definitive version, with tabls. and figs., is available at: http://www.sciencedirect.com/science/journal/01681699es_ES
dc.description.abstractThe joint use of satellite imagery and digital soil maps derived from soil sampling is investigated in the present paper with the goal of proposing site-specific management units (SSMU) within a commercial field plot. Very high resolution Quickbird imagery has been used to derive leaf area index (LAI) maps in maize canopies in two different years. Soil properties maps were obtained from the interpolation of ion concentrations (Na, Mg, Ca, K and P) and texture determined in soil samples and also from automatic readings of electromagnetic induction (EMI) readings taken with a mobile sensor. Links between the image-derived LAI and soil properties were established, making it possible to differentiate units within fields subject to abiotic stress associated with soil sodicity, a small water-holding capacity or flooding constraints. In accordance with the previous findings, the delineation of SSMUs is proposed, describing those field areas susceptible of variable-rate management for agricultural inputs such as water or fertilizing, or soil limitation correctors such as gypsum application in the case of sodicity problems. This demonstrates the suitability of spatial information technologies such as remote sensing and digital soil mapping in the context of precision agriculture.es_ES
dc.description.sponsorshipThe Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA) funded the PhD grant of the first author. This work is a result of the project RTA2005-00230, funded by INIA. The contribution of the project AGL2009-08931/AGR is also recognized.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsopenAccesses_ES
dc.subjectPrecision agriculturees_ES
dc.subjectRemote sensinges_ES
dc.subjectSoil mappinges_ES
dc.subjectElectromagnetic sensorses_ES
dc.titleSite-specific management units in a commercial maize plot delineated using very high resolution remote sensing and soil properties mappinges_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.compag.2010.04.011-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.compag.2010.04.011es_ES
item.fulltextWith Fulltext-
item.openairetypeartículo-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
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