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UJI KINERJA ALAT IRIGASI CURAH: TIPE PIPA BERLUBANG, BERTENAGA HAND TRACTOR DENGAN VARIASI KECEPATAN MAJU TRAKTOR DAN ARAH VERTIKAL PANCARAN AIR
This study evaluates the performance of a perforated pipe sprinkler irrigation system driven by a hand tractor with variations in tractor forward speed (1.5 km/h and 2 km/h) and vertical water spray direction (up and down), through measurements of discharge, theoretical and effective sprinkler irrigation capacity, system efficiency, infiltration, sprinkler intensity, soil elevation changes, travel time, and wetted area. The results show that the combination of 2 km/h speed (V2) and downward spray (P2) provides the best performance in almost all parameters, with irrigation efficiency reaching more than 93%, higher and more stable water discharge, increased sprinkler irrigation capacity, and greater infiltration and precipitation intensity, resulting in more even water distribution. This treatment also resulted in greater changes in soil height and wet area, indicating more optimal water penetration and distribution. Overall, the V2–P2 configuration proved to be the most effective in improving the efficiency and quality of water distribution in hand tractor-powered sprinkler irrigation systems, and is therefore recommended for application in agricultural irrigation that requires economical and even water distribution
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