论文部分内容阅读
一、害虫农业防治研究的现状农业防治是害虫防治法的主要类别之一。我国在解放前对这方面已开始有所研究,但研究的害虫种类很少,内容不多,有意识地应用于生产实践则更少。解放后随着农业生产和农业科学研究的发展,农业防治的研究及其在生产上的应用逐步显
First, the pest status of agricultural prevention and control of agricultural prevention and control of pest control law is one of the main categories. Before the liberation, our country started to study this aspect. However, there are few kinds of pests studied, few contents, and less consciously applied to production practice. After the liberation with the development of agricultural production and agricultural science research, agricultural prevention and control of the research and its application in the production gradually