叶菜类蔬菜害虫生态控制系统组建及其效益评价

Establishment of Ecological Control System Against Leaf Vegetables Pests and Its Benefit Assessment

运用种群系统控制的原理与方法 ,组建了叶菜类蔬菜主要害虫生态控制体系 ,用环境经济学方法评价了系统中生态控制技术应用于生产的实际效果 ,并与化学防治条件下的效益进行比较。结果表明 ,采用生态控制的方法 ,其经济效益、社会效益和环境效益远远高于化学防治。

According to the principle and method of population system control,ecological control system of main pests in leaf vegetables was established,and its practical effect on the produce was evaluated by the method of environmental economics,which was also compared with those under chemical control.Results showed that the economic,social and environmental benefit was greatly improved afted the utilization of ecological control system.