HAN Jia-qiang,GAO Xiao-fei,LU Bing-jun,et al.Research on the Influence of Measures of Soil and Water Conservation on the Water-stable Macroaggregates in Cinnamon Soil[J].Research of Soil and Water Conservation,2012,19(06):50-53.
水保措施对褐土水稳性大团聚体的影响研究
- Title:
- Research on the Influence of Measures of Soil and Water Conservation on the Water-stable Macroaggregates in Cinnamon Soil
- Keywords:
- soil aggregates; measures of soil and water conservation; vegetation measures; engineering measures; organic matter
- 分类号:
- S152.4
- 摘要:
- 以北京市延庆县水土保持科技示范园不同水保措施的径流小区为对象,研究了水保措施对土壤水稳性大团聚体的影响.主要研究结果为:(1) 仅采用工程措施会破坏土壤水稳性大团聚体,特别是粒径为5～8mm的水稳性大团聚体,并降低土壤大团聚体的水稳定性;采用植物措施后可以明显增加土壤水稳性大团聚体的含量,特别是增加了2～5mm和5～8mm粒径的水稳性大团聚体的含量,并明显提高土壤大团聚体的水稳定性;(2) 土壤有机质对土壤团聚体的形成具有明显的促进作用,有机质含量与土壤水稳性大团聚体的含量和大团聚体的水稳定性之间均具有显著的相关性.研究结果对水土保持工作具有一定的参考意义.
- Abstract:
- Taking runoff plots with different water conservation measures in Beijing Yanqing County Soil and Water Conservation Demonstration Garden as a case, the research on the influence of water conservation measures on the soil water-stable aggregates was carried out. Results showed that: (1) applying only engineering measures would break the soil water-stable aggregates, especially those with the particle size of 5~8mm, and it also reduced the water stability of soil aggregates, however, soil water-stable aggregates significantly increased, especially those with particle size of 2～5mm and 5～8mm after applying vegetation measures, it also improved the water stability of soil macroaggregates; (2) soil organic matter significantly promoted the formation of soil aggregates. The content of organic matter was obviously associated with both the content of soil water-stable macroaggregate and the water stability of soil macroaggregates. The result can provide a reforence to soil and water conservation study.
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备注/Memo
收稿日期:2012-4-26;改回日期:2012-5-21。
基金项目:中央高校基本科研业务费专项资金;北京市大学生科学研究与创业行动计划项目
作者简介:韩加强(1988- ),男,四川雅安人,本科生,主要研究方向:土壤侵蚀.E-mail:jiaqianghan@163.com
通讯作者:高晓飞(1979- ),男,山东莱阳人,博士,实验师,主要研究方向:土壤侵蚀.E-mail:gaoxiaofei@bnu.edu.cn