The Integrated Participatory Development and Management Irrigation Program (IPDMIP) is an innovative approach to achieve a sustainable irrigation system. This effort is expected to support the achievement of rice self-sufficiency in accordance with the Indonesian Government's Nawacita program. The purpose of this study was to estimate the technical, allocative and economic efficiencies of rice farming in West Nusa Tenggara Province. Data were collected purposively from 240 samples, with 120 samples that followed the program, and 120 samples non-program. Estimation of allocative and economic efficiency using Stochastic Frontier (SFA) with Cobb-Douglas production function model. The results showed that the factors affecting program rice production were land area, seeds, urea fertilizer, and NPK fertilizer, while non-program were land area, seeds, NPK fertilizer, and organic fertilizer. The average achievement of technical, allocative, and economic efficiency of the rice farming program was 0.906; 0.839, and 0.761 while the non-program was 0.741; 0.794, and 0.892. To achieve the level of allocative and economic efficiency, farmers need to improve the achievement of technical efficiency.
Keywords: economic efficiency, irrigation, production factors, rice paddy
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