Eleven common turf grasses in China were selected to compare their surface cover ratio,above and under ground phytomass.The results showed that:(1)about 70%~80% turf grass roots distributed within the top 10cm soil;(2)among the tested plants the Poa pratensis Wabash,Cynodon dactylon and Carex held had the best performance in surface cover ratio,uniformity adaptability and the capability to environmental disturbs;(3)under the experimental condition,Wabash had the highest above ground phytomass and Fylking wi...