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Evapotranspiration-based Irrigation System for Mustard Green Crop Cultivation using Public Weather Forecast

Abstract:

Irrigation system is gaining more attention in the field of research due to its large impact in water conservation. This study will design a system based on evapotranspiration (ET) of mustard green crop. Parameters such as temperature, humidity, solar radiation, and wind speed were attained from weather information - Microclimatic Weather Station and Public Weather Forecast. These parameters were used to compute ET and evaluate Penman-Monteith method. The mustard green crops have been observed under three different methods of irrigation: Manual Irrigation; Automatic Irrigation based on ET with parameters from Microclimatic Weather Station; and Automatic Irrigation based on ET with parameters from Public Weather Forecast. These methods of irrigation system were evaluated by the growth parameters: height of the crop and length of the outer leaf. ET-based irrigation system using Public Weather Forecast conserved 71.70% of water than the manual irrigation system while the ET-based irrigation system using Microclimatic Weather Station conserved 71.81% of water than the manual irrigation system.