1990 年 25 巻 p. 241-246
The planting agreement based on the preservation law of urban green contributes mainly to greening of housing area. The most important item influencing effect of planting among items of planting agreement is the structure of hedge or wall. The correlation between effect of planting on hedge or wall of roadside in housing site and application of the item was made clear through the research on the actual condition. The conditions in applicating the item on the structure of hedge or wall was made clear through the questionnaire to the community carrying out planting agreement.