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一、对农业生态系统的调控已由经验走向定量的系统方法对整个农业生态系统实行有效的控制,需要配置好系统内部的各种组份,处理好各组份之间的关系,并创造良好的外部条件。实现对系统的最佳控制不能只考虑单项指标,而要综合考虑社会效益、经济效益和生态效益。以往这类调控主要靠经验来指导。虽然经过实践累积起来的经验十分宝贵,并还将继续在农业生态系统调控中起着重要作
First, the control of agroecosystem has been empirically quantitative and systematic approach to the effective control of the entire agroecosystem, the need to configure the various components of the system, to deal with the relationship between the components and create a good External conditions. To achieve the best control of the system can not only consider individual indicators, but to consider social, economic and ecological benefits. In the past, such regulation mainly depends on experience. Although the experience accumulated through practice is very valuable, and will continue to play an important role in the regulation of agro-ecosystems