【摘要】 榆树市是全国农业大县,是国家重要的粮食生产基地,同时也是水土流失十分严重的地区。本文重点研究了榆树市水土流失的成因、规律及危害。并在此基础上,结合榆树市的基本地理特点与社会经济发展实际情况,提出了水土流失综合防治的具体对策。更多还原

【Abstract】 Yushu is a big national agricultural city,an important national grain predicting base in china.Meanwhile it is an area with serious soil erosion problem.The thesis mainly studies the cause,regularity and harmfulness of its soil erosion,and proposes some concrete countermeasures which are based on the combination of the geographical features and the actual condition of the social economic development.更多还原