Nowadays desertification is one of the best important environment problems in the world

and recently it is the best serious environment problems too in China. Hunshandake sand land is one of the four biggest sand land in the Neimenggu and is the cradle of the wind and sand in Beijing and Tianjin. So it is very significant to harness this sand land. On the basis of chronically surveying and searching Hunshandake sand land

concatenating the things on the spot

and summarizing the experiences of the predecessors

it put forward better practicablethree mode and narrated in detail how to harness the generic sand land

deserted grass land and serious deserted land respectively.