Abstract 144 kinds of planting materials are put up. Based on ext ravent ricular implantation test s for lawny grass ,
the influence of compound ratio on lawny grass growth is studied. Also , influence of compound ratio on fundamen2
tal st rength parameters of planting material is discussed. In addition , 4 kinds of planting materials are put forward
to fit for high steep rock eco 2slope2engineering.
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Received: 23 November 1999
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