| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for maintaining a bank slope promoting growth of lawn on the bank slope where the lawn and weeds mixedly grow, inhibiting overgrowth of weeds, preventing the bank slope from being weakened, and reducing damage on the bank slope suffering from a flood. <P>SOLUTION: The method for maintaining the bank slope comprises simultaneously reaping the lawn and the weeds at a time when such a condition that the growth of the lawn is promoted and the weeds become letdown. In the method, the time for simultaneously reaping the lawns and the weeds is decided based on a growth cycle of the lawns and the weeds, and the respective saccharide degrees of the lawns and the weeds growing on the bank slope to be maintained. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
