QI Zhi-juan,ZHANG Zhong-xue,YANG Ai-zheng.Benefit of Soil and Water Conservation Measures on Sloping Land of Black Soils[J].Research of Soil and Water Conservation,2011,18(05):72-75.
黑土坡耕地几种水土保持措施的蓄水保土效应研究
- Title:
- Benefit of Soil and Water Conservation Measures on Sloping Land of Black Soils
- Keywords:
- soil erosion; ridge tillage; cross slope; deep loosing; black soil
- 分类号:
- S157.1
- 摘要:
- 水土流失是制约我国北方旱区农业发展的主要因素，研究保护性耕作措施的蓄水保土效应，对北方旱区的水土保持工作具有重要的指导意义。通过田间试验对几种不同保护性耕作措施的土壤储水量、水分平衡及水分利用效率进行了研究，综合评价了几种耕作措施的蓄水保土功效。结果表明：横坡免耕、横坡种植、深松区田、垄向区田、深松、免耕储水量分别为常规耕作的112.6%，110.8%，107.0%，104.9%，103.8%，102.5%。横坡耕作和垄向区田能够有效减少坡面径流和土壤侵蚀，起到蓄水保土的作用，并为农作物生长提供有利的土壤水分环境。
- Abstract:
- Soil erosion is the main restricting factor on agricultural development in northern arid area of China. The study on soil and water conservation of conservation tillage measures has an important guidance to the northern arid areas. In this study, soil water storage, water balance and water use efficiency of different conservational tillage measures were examined through field experiment, and then the effects of water and soil conservation of different tillage measures were evaluated comprehensively. The results showed that the water storage of cross slope tillage, cross slope cultivation, deep loosing+ridge tillage, ridge tillage, deep loosing tillage and no-till tillage was equivalent to 112.6%, 110.8%, 107.0%, 104.9%, 103.8% and 102.5% of conventional tillage respectively. Cross-slope tillage and ridge tillage could reduce runoff and soil erosion efficiently on the slope, play an important role in soil and water conservation, provide favorable soil moisture environment for crop growth.
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备注/Memo
收稿日期:2011-3-30;修回日期:2011-5-11
基金项目:国家科技支撑计划（2009BAD3B04）
作者简介:齐智娟（1987- ），女，黑龙江省肇源县人，硕士研究生，研究方向为农业节水技术应用。E-mail：qzj8866@sina.com
通讯作者:张忠学（1967- ）,男,教授,博士生导师,主要研究方向为农业节水与水资源高效利用。E-mail：zhangzhongxue@163.com