试论沙区退耕还林还草

STUDY ON FORBIDDEN CULTIVATE FOR RESTORING FOREST OR GRASS IN THE SANDY AREA

论述了沙区退耕还林还草的必要性及意义，以及退耕地基本类型、还林还草品种选择及应遵循的原则；分析了林、草在沙区生态环境中的作用及如何进行还林还草；最后提出了沙区退耕还林还草对策及需注意的问题.

The inevitability and significance of forbidden cuttivate for restoring forest or grass are discussed in this paper.Futher more,the land type for forbidden cultivate,breed selection for restoring forest or grass and the principle of putting into effect aer also discussed.Then,the action of restoring forest or grass and its method are analysised.Lastly,the countermeasure and problem of forbidden cultivate for restoring forest or grass in sandy area are put forward.