| 草本植物在荒漠化治理、高速公路绿化以及铁路护坡中的作用 |
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| 引用本文： | 李昕,张新全.草本植物在荒漠化治理、高速公路绿化以及铁路护坡中的作用[J].四川草原,2003(5):4-6. |
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| 作者姓名： | 李昕 张新全 |
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| 作者单位： | 四川农业大学动物科技学院草业科学系 四川雅安625014
(李昕)，四川农业大学动物科技学院草业科学系 四川雅安625014(张新全) |
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| 摘 要： | 介绍了几种常见的草本植物,它们在荒漠化治理、高速公路以及铁路护坡方面发挥着十分重要的作用。百喜草、香根草、紫花苜蓿、狗牙根等是治理江河水土流失的较理想的草本植物。赖草、野牛草、披碱草、茅香、虎尾草、草地早熟禾、异穗苔草、草木樨,特别是碱草属的广泛生于盐碱地的植物,都有抗盐、泌盐或稀盐的功能,是治理盐渍地的良好植物。另外,结缕草、香根草有吸收土壤中重金属或去除塘泥中悬浮固形物、净化土壤的功能。狗牙根、结缕草、百喜草等是南方高速公路生物防护的优良地被。扁穗冰草、青岛结缕草等在铁路护坡方面应用较广。
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| 关 键 词： | 草本植物 荒漠化 水土流失 盐碱化 |
Important Functions of Herbs in Rectifying Desertification as well as Slope Protection and Landscaping for Highways and Railways |
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| I Xin,ZHANG Xin-quan.Important Functions of Herbs in Rectifying Desertification as well as Slope Protection and Landscaping for Highways and Railways[J].Journal of Sichuan Grassland,2003(5):4-6. |
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| Authors: | I Xin ZHANG Xin-quan |
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| Abstract: | This paper aims to introduce several common varieties of herbs and their extremely important functions in the rectifying desertification as well as in areas of slope protection and landscaping for areas around highways and railways.Paspalum notatum Flugge,Vetiveria zizaniodes,Medicago stativa,Cynodon Dactylon L.Pers and other types of herbs are ideal in rectifying water and soil loss on rivers.Leymussecalinus,L.Buchloe dactyloides,Pastoral wildryegrass,Herda Cymbopogonis Citrati,Chloris virgata swarez,Poa pratensis L,Melilotus Adans and espe-cially Elymus dahuricus Turcz are all found in areas with high saline-alkali content and have good salt resistant ,ab-sorption and thinning properties that make them good plants for rectifying saline spoil pits and areas.In addition to these herbs,Zoysia and Vetiveria zizaniodes have soil purification properties as they can absorb the metals in the soil and get rid of suspended matter as well.Cynodon Dactylon L.Pers,Zoysia,Vetiveria zizaniodes,Paspalum nota-tum Flugge and other varieties are excellent land coverings used for ecological protection along the highways in the southern regions of China.Agropyron cristatum(L)Gaertn and Zoysia Qingdao and other types of herbs are also used extensively in the area of slope protection for railways. |
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| Keywords: | Herbs Desertification Soil and water loss salinization |
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