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dc.contributor.authorVisconti Reluy, Fernando-
dc.contributor.authorPaz Bécares, José Miguel de-
dc.contributor.authorRubio, José Luis-
dc.contributor.authorSánchez Díaz, Juan-
dc.identifier.citationSoil Use and Management 27(4):523-537 (2011)es_ES
dc.description15 páginas, 8 figuras, 9 tablas.es_ES
dc.description.abstractThe SALTIRSOIL model predicts soil salinity, sodicity and alkalinity in irrigated land using basic information on soil, climate, crop, irrigation management and water quality. It extends the concept of the WATSUIT model to include irrigation and crop management practices, advances in the calculation of evapotranspiration and new algorithms for the water stress coefficient and calculation of electrical conductivity. SALTIRSOIL calculates the soil water balance and soil solution concentration over the year. A second module, SALSOLCHEM, calculates the inorganic ion composition of the soil solution at equilibrium with soil calcite and gypsum at the soil’s CO2 partial pressure. Results from comparing predicted and experimentally determined concentrations, observations and predictions of pH, alkalinity and calcium concentration in calcite-saturated solutions agree to the second significant figure; in gypsum-saturated solutions the standard difference between observations and predictions is <3% in absolute values. The algorithms in SALTIRSOIL have been verified and SALSOLCHEM validated for the reliable calculation of soil salinity, sodicity and alkalinity at water saturation in well-drained irrigated lands. In simulations for horticultural crops in southeast Spain, soil solution concentration factors at water saturation, quotients of electrical conductivity (EC25) at saturation to electrical conductivity in the irrigation water, and quotients of sodium adsorption ratio (SAR) are very similar to average measured values for the area.es_ES
dc.description.sponsorshipWe thank the Consellería de Medi Ambient of the Generalitat Valenciana for funding the work of F. Visconti through a grant in the framework of project GV 0461 ⁄ 2006, and the Ministerio de Ciencia e Innovación for funding part of this work through projects CGL2006-13233-C01 and CGL2006-13233-C02. We also thank the Soil Use and Management editors and anonymous reviewers for their constructive comments.es_ES
dc.subjectAgricultural modellinges_ES
dc.titleSALTIRSOIL: a simulation model for the mid to long-term prediction of soil salinity in irrigated agriculturees_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderGeneralitat Valenciana-
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