economic impacts of improved crop husbandry practices of walnut in kerman province

walnut is one of the important products in kerman province and baft town is the main area of ‎walnut orchards. so the technical, allocative and economical efficiency of walnut farmers computed ‎assign the degree of farmer’s success in the optimum allocation of their resources. at first the ‎proper production function was estimated, and then stochastic frontier production and technical, ‎efficiency was estimated. using principle of duality, stochastic frontier cost functions were ‎computed from stochastic frontier production function and economical efficiency was computed. ‎allocative efficiency was estimated with regard to economical and technical efficiency. the results ‎show that average technical, allocative and economical efficiency in baft are 62,‎‏ ‏‎67 and 41 percent ‎respectively.‎