什么是“立木工程”呢?就是伐倒立木前,对树木的根、干或枝梢等某一部分进行处理,以解决树木的病虫害问题或伐倒后加工成材的着色问题等等。下面介绍几项“立木工程”的实例。给树木注射化学物质,使木材着色:日本一家林业株式会社试验场,研究出一种着色木材,着色方法是将红色或黑色盐基性染料装入软管子里,然后再直接注入靠近树木的根基部位。经注射后的树 What is “stand engineering”? It is to deal with standing parts of roots, stems or shoots of trees before they are cut down, so as to solve the problem of tree pests and diseases or the coloring of processed materials after the fall. Here are some examples of “stand engineering”. Chemical injection into trees to color wood: A forestry testing facility in Japan has developed a colored wood that is filled with red or black base dye into a hose and then injected directly into the trees Basically. After injection of the tree