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作 者:周树良 段炼 曾崇奇 曾臻 胡蔚 ZHOU Shuliang;DUAN Lian;ZENG Chongqi;ZENG Zhen;HU Wei(Forestry Bureau of Hengyang City,Hengyang 421400,Hunan,China)
机构地区:[1]衡阳市林业局,湖南衡阳421000
出 处:《湖南林业科技》2020年第3期124-127,共4页Hunan Forestry Science & Technology
基 金:湖南省林业科技计划项目(XLK201646)。
摘 要:紫色页岩路堑边坡水土流失比较严重,植被恢复困难。该研究根据测土配方系统查询结果,筛选了几种常见的绿化草本和乡土树种种子进行边坡喷播绿化,然后对边坡绿化植物生长情况进行了调查研究。通过对植物绿化效果和根系固坡特性进行综合分析,发现紫穗槐+狗牙根、紫穗槐+车轴草、马棘+狗牙根和马棘+高羊茅的灌草植物绿化组合模式在紫色页岩路堑边坡绿化较好,对湘中丘陵地区紫色页岩路堑边坡绿化具有重要的指导意义。The soil of purple shale on cutting slope was seriously eroded,and the vegetation was difficult to restore.According to the query results of soil testing formula system,seeds of several common grass and local tree species were selected for slope planting by spraying,and the growth of plants for slope greening were investigated.By comprehensive analysis of plant greening effect and root slope fixation characteristics,it was found that the“shrub+grass”combination model of Amorpha fruticosa Linn.+Cynodon dactylon(Linn.)Pers.,Amorpha fruticosa Linn.+Trifolium repens Linn.,Indigofera pseudotinctoria Matsum.+Cynodon dactylon(Linn.)Pers.,Indigofera pseudotinctoria Matsum.+Festuca elata Keng ex E.Alexeev(Gramineae)performed better in the greening of purple shale on cutting slope,which had important guiding significance for the greening of purple shale on cutting slope in the hilly area of central Hunan.
分 类 号:U418.9[交通运输工程—道路与铁道工程]
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