| China is an agricultural country, which treats pesticide and fertilizer as the main factors of grain growth. Excessive amounts of pesticides keep up the production, but brings environmental pollution food safety, ecological crisis and other issues. In 2014, the No. 1 central file reported that the aim was to establish a long-term mechanism of sustainable agricultural development, promoting the development of eco-friendly agriculture. Therefore, it is necessary to inhibit chemical pesticides and develop biological pesticide and build ecological agriculture, which is one of the most important strategic objectives in China's agricultural economy. |