The area of artificialforestation, forest cover rate and forestry land were increasing steadily, but trees along the road and field were reducing greatly.
人工造林面积、森林覆盖率和林业用地面积平稳上升，但四旁植树株数下降幅度较大。
2
In this paper, the importance of artificialforestation in the grassland is tried to be discussed from the change of soil property and the action of wind erosion and sedimentary sand.