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一九八一年以来,我省盐城、镇江、淮阴、苏州、扬州、徐州、南京等地市先后有组织地开展了地区性的群众性与专业队伍相结合的农田草害调查工作,这是农田草害防除研究的一项基本建设,通过草害调查将为制定农田草害防除规划、除草剂的选择、生产布局和供应工作提供科学的依据。通过草害调查获得了大量的调查数据,如何从这些数据中找出有规律性的东西,为指导杂草的防除实践服务,这是一项艰巨的统计分析工作。杂草调查的主要目的:一是模清本地区农田害草,尤其是主要恶性杂草的种类、组合、
Since 1981, Yancheng, Zhenjiang, Huaiyin, Suzhou, Yangzhou, Xuzhou, Nanjing and other cities in our province have conducted a series of investigations on farmland grassland diseases combining the mass and professional teams of the region. The grassroots pest control research will provide a scientific basis for the formulation of plans and programs for the control of farmland grass pests, the selection, production, distribution and supply of herbicides. A great deal of survey data has been obtained through the grass-pest survey. How to find out the regularity from these data and to guide the practice of weed control and prevention is a daunting statistical analysis. The main purpose of the weed survey: First, a clear model of farmland weeds in the region, especially the main types of weeds, combinations,