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论述了香根草生物工程技术在公路护坡的四大优势及其广阔前景；并提出了选培优质种苗、合理分蔸、适留根长、种苗催根、斜插浅栽、科学管护等配套技术。
The four advantages and broad prospects of vetiver bioengineering technology in road slope protection are discussed. The paper also puts forward some suggestions on selecting and cultivating high quality seedlings, including rational selection of root length, seedling rooting, Protection and other supporting technologies.