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中国沙漠 ›› 2002, Vol. 22 ›› Issue (2): 184-186.

• 研究论文 • 上一篇    下一篇

宁夏固原地区山坡地的水分再分配与退耕还林问题

张凡1, 钟军2   

  1. 1. 宁夏固原地区林业局, 宁夏 固原 756000;
    2. 宁夏固原县农建办, 宁夏 固原 756000
  • 收稿日期:2001-04-15 修回日期:2001-05-17 出版日期:2002-04-20 发布日期:2002-04-20
  • 作者简介:张凡(1965-),男(汉族),宁夏海原人,工程师,现从事黄土高原造林研究与工程工作。

Issue on Water Distribution of Hill Land and Return Crop Spots to Forestry in Guyuan District of Ningxia

ZHANG Fan1, ZHONG Jun2   

  1. 1. Forestry Bureau of Guyuan District in Ningxia, Guyuan 756000, Ningxia, China;
    2. Agricultural Construction Office ofGuyuan County in Ningxia, Guyuan 756000, Ningxia, China
  • Received:2001-04-15 Revised:2001-05-17 Online:2002-04-20 Published:2002-04-20

摘要: 宁夏固原地区是我国水土流失最为严重的地区之一。在进行坡耕地退耕还林还草时,应根据土壤的物理特性和山坡地水分再分配的特点,在山顶和山坡,建立以灌木和草类植物为主组成的人工植被;在水分条件较好的沟谷地带,适量建立一定面积以乔木为主的植被。

关键词: 固原地区, 山坡地, 水分再分配, 退耕还林

Abstract: Guyuan district in Ningxia is one of the most severe regions that subject from soil and water lossin China. The key measure of controlling soil and water erosion is returning hill crop spots to forestry. In practice, it is essential to take soil physical property and hill farmland water distribution into consideration. For exampled, artificial vegetation dominated by shrubs and grasses must be constructed on the top and the slop of hill, and plantation dominated by arbores should be established in the valley with good water condion.

Key words: return crop plots to forestry, hill land, water distribution, Guyuan district

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