森林与人类编辑部:最近我到山西省去了一个月,下乡时,看到该省造林绿化取得很大成绩,但由于历史的原因,不少地方光山秃岭面积大,水土流失严重,因此,我觉得绿化荒山荒地,除乔木外,应该将灌木放到适当的位置,才能加快绿化速度,增加植被,防止水土流失。“三北”地区,沙漠、黄土高原面积大,应该宜乔则乔, Recently, I went to Shanxi Province for a month. When I came to the countryside, I saw great achievements in afforestation in the province. However, due to historical reasons, many local areas have a large area of ​​bare hills and serious soil erosion, Therefore, I think green barren hills and wilderness, in addition to trees, shrubs should be put in place to speed up the greening speed, increase vegetation, prevent soil erosion. “Three North ” area, desert, large area of ​​the Loess Plateau, it should be Joe is Joe,