Evaluation of the VegSyst model with muskmelon to simulate crop growth, nitrogen uptake and evapotranspiration

M. Gallardo, C. Giménez, C. Martínez-Gaitán, C.O. Stöckle, R.B. Thompson and M.R. Granados

Agricultural Water Management, 2011, vol. 101, issue 1, 107-117

Abstract: Like many intensive vegetable production systems, the greenhouse-based system on the south-eastern (SE) Mediterranean coast of Spain is associated with considerable NO3− contamination of groundwater. Drip irrigation and sophisticated fertigation systems provide the technical capacity for precise nutrient and irrigation management of soil-grown crops which would reduce NO3− leaching loss. The VegSyst crop simulation model was developed to simulate daily crop biomass production, N uptake and crop evapotranspiration (ETc). VegSyst is driven by thermal time and consequently is adaptable to different planting dates, different greenhouse cooling practices and differences in greenhouse design. It will be subsequently incorporated into a practical on-farm decision support system to enable growers to more effectively use the advanced technical capacity of this horticultural system for optimal N and irrigation management.

Keywords: Crop growth; Model; Greenhouse; Nitrogen uptake; Evapotranspiration; Melon (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:agiwat:v:101:y:2011:i:1:p:107-117

DOI: 10.1016/j.agwat.2011.09.008

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