(一)在目前水土保持工作中存在着两个争论问题:一个是水土流失的原因;一个是水土保持的方针措施。对这两个问题,过去已有不少的人发表过文章,但是由于各人的认识不同,以致在这两个问题上的意见还没有取得一致。因此仍有继续讨论的必要。现在我愿把我个人对这两个问题的认识写出来,提供大家参考。(二)对水土流失的原因所以得不到一致的认识,主要是有一部分人没有从本质上去认识,而只是从现象上或者是只从数量上看这个问题,以致把水土流失的原 (I) There are two controversial issues in the soil and water conservation work at present: one is the reason for water and soil erosion; the other is the measures for water and soil conservation. To these two questions, many people have published articles in the past, but because of their different understandings, opinions on these two issues have not yet been agreed upon. So there is still the need to continue discussions. Now I’d like to write my own personal understanding of these two issues for your reference. (B) There is no consistent understanding of the causes of water and soil loss. The main reason is that some people do not basically understand the problem but simply look at the issue either phenomenally or quantitatively. As a result, the original