溴甲烷苗床消毒防治烟草病虫草害的实用技术当今世界上应用溴甲烷熏蒸烟草苗床或育苗土壤，防治烟草病、虫、草害的新技术，已在许多主要产烟国家广泛应用．现将其实用技术简介于后．一、溴甲烷防治烟草病虫草害的作用溴甲烷是一种有毒的液化气体，由于气体有强大的扩散力... Methyl bromide seedbed disinfection control tobacco plant diseases and insect pests practical technology Nowadays the application of methyl bromide fumigation tobacco seedbed or nursery soil, tobacco disease prevention and control, pests, grass damage of the new technology has been widely used in many major tobacco-producing countries. Now its practical technology briefing later. First, the role of methyl bromide to combat tobacco pests and diseases Methyl bromide is a toxic liquefied gas, due to the strong diffusion of gas ...