Discussion on Economical Landscape and Gardening in City with the Research of the Rainwater Collecting and Reusing Technology of Yixin Garden Green Space

The meaning of economical landscape and gardening in city is explained in this paper, namely using the most efficient investment and technology measure under the city enviorment, manintaining the least resource expenditure and cost input in the long-term cultivation and conservation, keeping the most and continuing output of urban greenbelt with synthetic functions of eco-environment, sight and society service permanently. The rainwater collecting and reusing technology of Yixin garden in Donggaodi, Fengtai District is given as an example to illustrate the way to construct the economical landscape and gardening. It is pointed out that the rainwater collecting and reusing is necessary and feasible, and the key measure of rainwater collecting and reusing is to utilize the effective technology to achieve the integrated function of landscape and gardening.