新疆杨地膜快速育苗技术杨国仁（皋兰县石洞乡林业站皋兰７３２０００）新疆杨因树形美观、树干通直及抗病虫害等优良特性，一直是兰州地区绿化栽植的主要树种，特别是近年来随着南、北两山绿化和“引大”灌区林网建设的发展，对该树种的需求量急剧加大，大量、快速繁育... Xinjiang Yang Membrane Rapid Nursery Technique Yang Guo-ren (Gaoyan Forestry Station, Shidong Township, Gaolan 732000, China) Poplar has always been the main species of afforestation in Lanzhou because of its beautiful tree shape, trunk straightness and pest-resistance. Especially in recent years With the development of the greening in the south and north two hills and the construction of the forest network in the “Daguang Irrigation District”, the demand for the tree species has dramatically increased, and the large number of rapid breeding ...