Research on efficiency evaluation systems for precision agriculture

As the development and widely use of precision agriculture (PA), what is PA´s benefits becomes the focus of the agricultural producers and government. Evaluating PA´s benefits reasonably is the important premise of its extension and application. This article designs a set of evaluation indicator system from aspects of economic, ecological and social benefits based on the core of PA. It adopts a comprehensive benefits indicator approach and establishes a linear weighted function to calculate the comprehensive benefits of PA.