1) save farmland
2) farmland saving
Technical and economic analysis of farmland saving and environmental Protection by depositing rock spoils into valleys;
3) saving cultivated land
4) energy-saving and land-saving
It is the important approach for improving the resources utilization effi-ciency and constructing a resource-saving and environmentally friendly city to greatly develop energy-saving and land-saving residential buildings.
With the implementation of Guidance Opinions on Energy-saving and Land-saving Development of Newly Built Residential Buildings in Shanghai as the background, the article proposes to comprehensively promote the specific measures and working objectives of the energy-saving and land-saving residential buildings construc-tion in Shanghai.
As a result,energy-saving and land-saving house construction may generate great social and economical benefits.
5) energy and land saving
It introduces a kind of steel residential system which is safety and credible, economic and applied,energy and land saving,green and environmental protection.
Based upon development idea "energy and land saving",from three aspects: idea,technology and policy suggestions are proposed in order to promote housing construction and sustainable development of small cities and towns in order to upgrade dwelling level and quality of life of villagers and residents in small cities and towns to building harmonious society.
6) saving the land to be used