试验于1985—1986年在广东西江林业局下属林场及林科所苗圃进行。通过两年来的探索,初步弄清了本地区苗圃地的杂草种类和密度;掌握了除草剂丁草胺、恶草灵等混合配方防除杉木苗圃杂草的技术;明确了除草剂与杉木种子发芽和苗木品质的关系,以及杉木苗圃化学除草的经济效益。 The experiment was carried out in 1985-1986 in the forest farms affiliated to the Xijiang Forestry Bureau in Guangdong and the nurseries of Linke. After two years of exploration, the author first made clear the types and density of weeds in the nursery areas in the region, grasped the technology of the herbicide such as butachlor and oxadrine to control weeds in Chinese fir nursery, and made clear that the combination of herbicide and Chinese fir seeds The relationship between germination and seedling quality, and the economic benefits of chemical weed control in Chinese fir nursery.