Analysis of Fibrous Interface Capillary Irrigation System Using HYDRUS 2D/3D for High Water Saving Agriculture
Publication Date : 07/02/2018
Capillary irrigation has been considered as one of the best irrigation techniques in water saving agriculture. It is due to its high efficiency in water supplying method which provides many benefits, especially in areas that have a limited water supply. In capillary irrigation, a fibrous interfaced capillary is a relatively new method that needs a detailed understanding of infiltration process. An optimized design of fibrous capillary system needs the judicious combination of fibrous design, discharge rate, irrigation duration and the time interval between the consecutive irrigations. To this aim, a numerical modeling method using HYDRUS 2D/3D software will represent a powerful tool to analyze the evolution of the wetting and exploration of capillary irrigation management strategies, to optimize the water usage. The model is tested and verified at the scale of a single pot using various fibrous design and root uptake level. The result shows that the application of fibrous capillary system is able to provide a sufficient water supply at various plant growth stages.
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