The washout on incision cliff is a serious problem. Incision cliff if not carefully done, can contribute to soil erosion and, by removing covering plants could have a large impact on the temporary of normally the quality of water. Because the washout of soil is influenced by its surface, it is necessary to prevent or diminish soil particle by plantation of grass species. Kummerowia stipulacea is an useful species that diminish the injury of soil and rainwater. We study that estimates of preventing soil erosion and river overflow can be obtained from the experimental model developmented by several equators. Many potential contaminants are removed by filtration as the water moves slowly through the fields of K. stipulacea.

• 허만규(부산대학교 생물교육과) | Man-Kyu Hur (Dept, of Biological Education, Pusan National University)
• 허홍욱(부산대학교 생물교육과) | Hong-Wook Huh (Dept, of Biological Education, Pusan National University)