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›› 2007, Vol. 43 ›› Issue (zk): 17-21.

• 论文及研究报告 • 上一篇    下一篇

不同土地利用方式土壤侵蚀与养分流失的模拟试验

张丽娟1 毕淑芹1 袁丽金1 薛宝民1 张金柱2   

  1. 1.河北农业大学资源与环境学院,保定071000;2.河北农业大学林业工程学院,保定071000
  • 收稿日期:2006-04-25 修回日期:1900-01-01 出版日期:2007-10-25 发布日期:2007-10-25

Simulation of Soil Erosion and Nutrition Runoff in Different Land Use Types

Zhang Lijuan1,Bi Shuqing1,Yuan Lijin1,Xue Baomin1,Zhang Jinzhu2   

  1. 1.College of Agricultural Resources and Environmental Sciences,Hebei Agricultural University Baoding 071000;2.College of Forestry and Engineering,Hebei Agricultural University Baoding 071000
  • Received:2006-04-25 Revised:1900-01-01 Online:2007-10-25 Published:2007-10-25

摘要: 采用室内人工模拟降雨方法,研究河北太行山南段低山丘陵片麻岩褐土区3种土地利用方式(草地、坡耕地、刺槐林)土壤侵蚀与养分流失规律,分析土壤养分流失的空间变化以及养分流失与土壤侵蚀的关系,比较流失泥沙中的养分含量与表土和径流中的养分含量变化。结果表明:流失泥沙中的养分含量明显高于径流中的养分含量,也明显高于雨前表土中的养分含量,具有较大的养分富集比;土壤中流失的养分与流失泥沙量具有较好的相关性。

关键词: 土壤侵蚀, 养分流失, 土地利用

Abstract: This paper emphasized on the rules of mountain soil erosion and nutrient loss in the hill of gneiss and cinnamon soil district,which locating in the south of Taihang Mount,Hebei Province.Based on the artificial rain method in the laboratory,spatial changes of nutrient loss and its relationship with soil erosion were analyzed.The changes of nutrient content in sediment,surface soil and loss were also contrasted.The results indicated that nutrient content in sediment was significantly higher than that in loss and surface soil before rain.So the nutrient enrichment ratio in the sediment was bigger.Nutrient loss from soil has a good relationship with sediment.

Key words: soil erosion, nutrient loss, land use