造林前一定要整地,这是从我区造林成败经验教训中总结出来的一条重要措施。这条措施,为我区林业工作者及广大造林实践者所公认。迄今为止,笔者尚未听到有人对这条措施持有任何异议(在沙漠地段造林另当别论)。既然如此,我区各地造林是否都做到事先整地呢?答曰:不然,不少地区仍然是现 Before afforestation must be site preparation, which is concluded from the success or failure of our afforestation experience learned an important measure. This measure is recognized by forestry workers in our region and afforestation practitioners. So far, I have not heard anyone hold any objections to this measure (apart from desertification). In view of this, are there any afforestation done in our area beforehand? Answer: Otherwise, many areas will still be present