Harness emphatically,develop and construct comprehensively the grassland in west part of China

The great development and construction coming soon in west part of China are a magnificent undertaking rising in west economy and a opportunity for the overall development and construction of the grasslands. In the past there was a severe deterioration in part of west grassland. Now it is needed to harness emphatically the deteriorated grassland and develop and construct the whole grassland. In this paper some ecological principles being paid attention to in the development and construction of grassland were put forward to protect the environment and induce sustainable development of the grassland farming.