The Accounting Method of Agro-ecological Compensation Standard of Environmental-friendly Fertilizer in Erhai Watershed

摘要

In this paper, it reviewed the research the progress of the ecological compensation standard (ECS), and analyzed four main ECS accounting methods, including ecosystem services value, ecological construction cost, opportunity cost and willingness payment. Combined with paddy field plots experiment in Erhai watershed in China, it compared crop yield, fertilizer cost and net profit in the traditional fertilization method and slow-release fertilizer (SRF) technology. Compensation standard of the environment-friendly fertilizer was recommended as 750~1,500 yuan/hm~2 in the area. After comparing different accounting processes, a integrated method which use the opportunity cost as a basis, together with farmer's willingness and payment ability from government, is reliable to account agro-ecological compensation standard in China.