Scientific production and application of fertilizer

In view of production and application status of China's fertilizer,soil fertility status,agricultural products characters and environmental investigation,the adjusting production and application structure of fertilizer,improving soil characters and reasonable fertilization are described for increasing fertilizer nutrient utilization ratio,reducing agricultural costs and environmental pollution.The agro-services-system through the establishment of fertilizer production and operation,technology and services,management and organization technology and means combination,to support based on the main model of soil-testing for the formula and applicattion fertilizer,and the development of ecological agriculture are discussed.