Effectiveness and fanction of vetiver grass hedge technique for soil erosion control of highway embankment and planting

摘要

After a test of contour vetiver hedge plant on he slopeside of highway in the constructing road from. ShangRao to Fen Shui guan in JiangXi Province of China, It snow that vetiver grass is able to edure waterlogging, drought, barreness and growfast, in the meanwhile, vetiver grass has a enormous and deep roots. It not only prevents effectively soil erosion of Highway Enbankment, but also form greenbelt with the Vetiver Hedge.