United States Department of Transportation
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Promoting Establishment of Vegetation for Erosion Control
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1967-07-01
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Abstract:A vegetative cover for erosion control is in reality a pavement. Rather than supporting vehicular traffic as does asphalt or concrete, this pavement of plants protects the soil from the impact force of raindrops and from the scouring of runoff waters which dislodge and move soil particles. This action leaves the landscape ugly, provides sediment for pollution, and may endanger structures or roadway. Paving an area with living plants requires technology, just as does the installation of a first-class travel surface. This living cover does best on a base material that is not compacted. Rather than being a surface which drains quickly, it thrives on moisture. Specifications for planting materials vary with the requirements, just as· do those for surfacing materials. The living pavement requires maintenance, even an occasional patch. This report will describe some of the technology used in establishing a protective cover of plants on a roadside. As with any living thing, the early stages in the establishment and development of a plant cover are extremely critical.
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[PDF-1.28 MB]
