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怎样制作林木病害展览标本李幼君(辽宁省林业学校沈阳110101)林木病害标本是林木病害及其分布的实物性记载,需制成腊叶标本或浸渍标本长期保存,为教学和科研提供方便。但在林业基层单位或学校建立林木病虫害标本室,需展览一些主要林木病害标本,便于人们参观了...
How to make Forest Disease Exhibition Li Youjun (Forestry School of Liaoning Province, Shenyang 110101) The forest disease specimen is a physical record of forest diseases and its distribution. It needs to be preserved for a long time and preserved for teaching and scientific research. However, the establishment of forest pest specimens in the grass-roots units of forestry or schools needs to display some major forest disease specimens for people to visit ...