Peatmoss and construction waste materials were selected as the raw material， 6 treatments were set up， and rural soil was taken as a comparison． According to the tests on the basic physical and chemical properties of substrate，growth index and the rate of water loss， and combing tests of permanent wilting plants， it was found that 90％ grassland substrate carbon： 10％ broken roof tiles on the combination was more suitable as a light green Sedum plants substrate compositions．
选取草炭土和建筑废料作为基质原料，设置了6个处理，同时选取田园土作为对照，通过对不同配方基质理化性质、基质失水率、植物生长量的测定，结合永久性萎蔫试验，对轻型屋顶绿化基质进行了研究。 结果表明，90％草碳土∶10％碎砖块的配方适合作为轻型屋顶绿化景天属植物的基质配比。
参考来源 - 轻型屋顶绿化人工基质配方的筛选—《湖北农业科学》—2011年第8期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
Sedums are plants that need little water and often are used on green roofs.
景天属植物是仅需少量水分，并经常被用在绿色屋顶上的植物。
Sandoms Sedums are plants that need little water and often are used on green roofs.
景天植物是只要很少的水且常常被使用在绿色屋顶上的植被。
Although a few Agaves and Sedums might take a few degrees of frost, they will not tolerate freezing temperatures.
虽然有些龙舌兰和景天属多少能忍耐些轻微的霜降，却并不耐冻。
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