垂榆绿枝嫁接技术垂榆是名贵的园林绿化树种，通过人为加工造形，可以培育成各种美丽多姿、栩栩如生的动植物形体，因而深受园林工作者的青睐，在我国北方又是重要的街道绿化树种，广受欢迎。垂榆培育主要是嫁接培育，多在春季利用贮存的穗条，实施插皮接。但这种方法往往... Dangmu green branches grafting technology Dumex is a valuable landscaping tree species, through the human form, can be nurtured into a variety of beautiful, lifelike animal and plant forms, and thus favored by garden workers, is also important in northern China The streets of green trees, popular. Elm cultivation is mainly grafting nurturing, and more in the spring using the storage of the spike, the implementation of cuttings then. But this method is often ...