Zhang Baolin,Liu Yaoguang,Shou Zhubang.The Necessary and Possibility of Level Terrace Construction in Hilly Fields of Liaoning Province[J].Research of Soil and Water Conservation,1997,4(04):60-64,120.
辽宁坡耕地建设水平梯田的必要性与可能性
- Title:
- The Necessary and Possibility of Level Terrace Construction in Hilly Fields of Liaoning Province
- Keywords:
- hilly fields; level terrace; Liaoning province
- 摘要:
- 辽宁省耕地资源少、坡耕地比重大，满足现在和将来日益增长的人口需要，必须在保护好现有耕地面积基础上，提高单产。但辽宁坡耕地水土流失严重，粮食产量低而不稳，是限制的重要因素。把坡耕地建成农业梯田，是保护和增加辽宁基本农田战略措施，是增加固耕农田以适应人口增长的对策，是充分利用和调节水资源供求紧张的一种有效方法，也是增加粮食产量的必要条件。通过对坡耕地现状和已建梯田状况的调查，从必要性与可能性方面进行了初步分析。
- Abstract:
- Faced to tillage land resource reducing and large proportion of hilly fields,increasing yield per unit area must be done to meet the need of increasing population at present and in the future. The important limited factor is the severe water and soil erosion in hilly fields to result in low and unstable grain yields. The terrace construction on hilly fields is a strategic measure of protecting and increasing basic farmland and an efficient method of regular use of water resource. This paper gives the necessary and possibility of level terrace construction in hilly fields of Liaoning province.
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备注/Memo
收稿日期:1997-10-10。