Search results for " soil water contents"

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Optimizing subsurface dripline installation depth with Hydrus 2D/3D to improve irrigation water use efficiency in the central Tunisia

2015

The main objective of the work is to optimize drip installation depth for Eggplant crop irrigated with surface or subsurface drip irrigation systems to improve irrigation Water Use Effeciency (WUE), by means of field measurements and simulations carried out with Hydrus-2D model. Initially, a comparison between simulated Soil Water Contents (SWC) and the corresponding measured in two plots, in which laterals with coextruded emitters are laid on the soil surface (T0) and at 20 cm depth (T20), respectively. In order to choose the best position of the lateral, the results of different simulation run, carried out by choosing a deeper installation (T45) depth. Simulated SWC’s resulted fairly clos…

HydrusTechnologywater use efficiencyTEnvironmental engineeringSoil scienceSoil surfaceDrip irrigationSubsurface drip irrigation soil water contents Hydrus 2D water use efficiency RMSEsoil water contentsIrrigation waterRMSESubsurface drip irrigationHydrus 2DSoil waterWater uptakeDNS root zoneEnvironmental scienceSettore AGR/08 - Idraulica Agraria E Sistemazioni Idraulico-ForestaliWater-use efficiencySafety Risk Reliability and Quality

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