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为解决单一工程护坡技术投资大、护坡效果较差的问题，对工程—生物复合护坡技术进行了试验研究。结果表明，工程—生物复合护坡技术具有投资少，坡面整齐、美观，护坡及绿化美化效果好等特点，且可节约沙石等建材０．１５ｍ３／ｍ２，减少护坡投资９．２元／ｍ２；护坡植被以苇状羊茅最佳，草皮移栽或种子直播均可，移栽后２０ｄ，平均株高１７．５ｃｍ，种子直播后２２ｄ，幼苗高度３～５ｃｍ。
In order to solve the problem of large investment in single-engineering slope protection technology and poor slope protection effect, the engineering-biological compound slope protection technology was studied. The results show that the engineering-biological compound slope protection technology has the advantages of less investment, neat slope, beautiful appearance, good slope protection and greening and beautification effects, and can save 0.15m3 / m2 of building materials such as sand and stone and reduce investment of slope protection of 9.2 yuan / m2 The vegetation of revegetation was the best with the fescue, the turf transplanting or seed direct seeding. After 20 days of transplanting, the average height of plant was 17.5 cm. Seedling height was 3-5 cm after 22 days of seeding.