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Click on “Download PDF” for the PDF version or on the title for the HTML version. If you are not an ASABE member or if your employer has not arranged for access to the full-text, Click here for options. DRAINMOD Calibration And Validation on Tropical ‘Fadama’ SoilPublished by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org Citation: TMDL 2010: Watershed Management to Improve Water Quality Proceedings, 14-17 November 2010 Hyatt Regency Baltimore on the Inner Harbor, Baltimore, Maryland USA 711P0710cd.(doi:10.13031/2013.35742)Authors: Temitayo Abayomi Ewemoje, Michael U Ukasoanya, Samuel O Talabi, Akeem A Balogun, Olayiwola A Akintola Keywords: KEYWORDS: Calibration, Validation, Model Application, Tropical ‘Fadama’ soils, Relative yield Application of models developed in a location to other locations without proper calibration has been a major cause of errors in research. This study calibrated and tested operation of DRAINMOD on poorly drained FADAMA soil. Experimental field was drained by subsurface drain tubes 60 cm deep and 110 cm apart. Overall average relative yield from DRAINMOD considered the contributions of drought, excess water, and planting delay reduction factors. Calibrated data includes lateral saturated hydraulic conductivity, upward flux versus water table depth, volume drained versus water table depth, crop root depths versus time, drain-spacing, desired soil trafficability conditions and estimates of Green-Ampt infiltration parameters. (Download PDF) (Export to EndNotes)
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