On the Development of Ecological Agriculture

Ecological system is the source and development basis of agriculture.Ecological agriculture,as a sustainable agricultural development pattern,has very important value for solving current agricultural crises.Ecological agriculture is an opening,balanceable,integrative and appropriate agricultural system,and especially emphasizes the reasonable use of pesticide and fertilizer,the balance of matter and energy,the comprehensive protection of resource and environment,as well as the harmony development of agricultural activities and natural environment.It is the development trend of modern agriculture.The focal cases of rice,duckweed and fish ecological system,tea and rubber plant ecological system,and mulberry tree,silkworm and fish ecological system,got success in past years in China,still have virtual reference value for today's ecological agricultural development.