Abstract:

Based on the comparative experiment and analysis of orange planting on building tops,it is concluded that making cities green by planting oranges on the roofs can achieve not only ecologieal but also social and economic benefits. It is an effective way for improving urban climate and is a fast working environmental project with less investment and also a project of agricultural redevelopment, which is worth to be spread widely.

Key words: Urban roof agriculture, Development and experiment, Orange planting