显微镜,一个精密的仪器,在一般人心目中只是专家用的东西,与农民的直接关系不大。但是,通过近期的一些培训实践证明,答案是否定的。在蔬菜生产过程中容易发生多种病害,不合理农药的施用是造成产品与环境污染的主要原因之一。杀菌剂的不合理施用,一个重要原因是基层农民出身的农 Microscopes, a sophisticated instrument, are used only by experts in the eyes of the general public, and have little to do with the peasants. However, some recent training proves that the answer is no. In vegetable production process prone to a variety of diseases, unreasonable pesticide application is one of the main causes of product and environmental pollution. An important reason for the irrational application of bactericides is the farming of grassroots peasants