引言生态农业是运用生态学原理 ,按照生态规律用系统工程方法 ,以当前世界最前沿的高科技为依托 ,因地制宜地规划、组织和进行农业生产活动。它由当前的石化农业回归到有机农业 ,以有机肥取代化肥 ,用生物防治取代农药 ,着重于有机物质的循环再生和水土的保持。通过耕地轮作等 Introduction Ecological agriculture is the use of ecological principles, in accordance with ecological laws using systems engineering methods, with the current world’s most advanced high-tech as the basis, according to local conditions to plan, organize and carry out agricultural production activities. It is the return of the current petrochemical agriculture to organic agriculture, replacing organic fertilizers with organic fertilizers, replacing pesticides with biological control, focusing on the recycling of organic matter and soil and water conservation. Through crop rotation and so on