河南省郾城县公路段,今年培育乔灌花一次性成功.这在全省公路系统尚属首家,最近受到了河南省公路局的表彰. 为防止公路边坡水土流失,美化道路环境,1988年底,河南省公路局从美国引进一种叫乔灌花的植物种子,在全省公路各部门试种.因乔灌花是一种木本植物,根系发达,颈长而匍匐行,叶片小而圆,花呈瓣状为粉红 Henan Province Tancheng County Highway section, this year to cultivate a one-time success of arborvitae shrubs.This is the first in the province’s highway system, has recently been commended by the Henan Provincial Highway Bureau.In order to prevent soil erosion on highway slopes, beautify the road environment, The end of 1988, Henan Provincial Highway Bureau from the United States to introduce a plant called epiphyllous seeds, the provincial highway departments to try seed because of Arborvitae shrub is a woody plant, root system developed, neck long and creeping, leaves Small and round, petals pink