CHEN Qiang,QIN Fu-cang,YUE Yong-jie.Comparative Study on Coupling Relationship between Soil Properties and Land Use in Northeast Agriculture and Animal Husbandry Ecotone[J].Research of Soil and Water Conservation,2010,17(02):186-189,194.
东北农牧交错带小流域土地利用与土壤性状耦合关系研究
- Title:
- Comparative Study on Coupling Relationship between Soil Properties and Land Use in Northeast Agriculture and Animal Husbandry Ecotone
- Keywords:
- watershed; land use; soil; physical and chemical properties
- 分类号:
- F301.24;S153
- 摘要:
- 以通辽市巴尔敦沟小流域为研究区，对该流域内不同土地利用类型的土壤性状进行对比研究，结果表明：（1）耕地土壤容重和土壤孔隙状况最好，林牧复合次之，林地和牧草地相差不大，农林复合最差。随土层深度的增加，土壤容重呈上升趋势，土壤孔隙度则呈下降趋势。（2）耕地0-80 cm土层土壤平均自然含水量和土壤最大贮水量最高，农林复合和林地次之，相差不大，牧草地最低。（3）不同土地利用类型土壤全量元素含量综合而言：耕地最高，牧草地次之，农林复合居中，林牧复合略差，林地最低。（4）不同土地利用类型土壤速效元素含量综合而言：耕地最高，林地次之，林牧复合和牧草地差异不大，农林复合最低。（5）不同土地利用类型的有机质含量牧草地和耕地较高，其他土地利用类型没有显著差异。综合分析表明，该小流域内耕地的物理和化学性质最好，农林复合类型的物理化学性质较差。
- Abstract:
- Soil properties of different land use types were studied in Took Baer dun channel small watershed. Cultivated soil bulk density and soil porosity conditions were the best, forestry-pastoral land was the second. There was a little difference between forestry and pasture land, and these two parameters for agriculture-forestry land were the worst. With the increase in soil depth, soil bulk density rose and the soil porosity delined. Soil average natural moisture content and water storage capacity of 0-80 cm in arable land were maximum, the second for griculture-forestry land and forestry, the lowest for pasture land. For soil total element contents of different land use types, cultivated land is the highest, the second is pasture land, next is agriculture-forestry land, forestry-pastoral land and forestry land. For soil available element contents of different land use types, they are the highest in cultivated soil, next is forestry land. And there is no difference in forestry-pastoral land and pasture land, the lowest is agriculture-forestry land. For organic matter content of different use types land, the highest is pasture land and cultivated land, and no difference in the other different use types land. Comprehensive analysis showed that: physical and chemical properties of cultivated land was the best, but agriculture-forestry complex land was poor in this watershed.
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备注/Memo
收稿日期:2009-11-30。
基金项目:内蒙古科技计划项目（20071926）；国家“十一五”林业科技支撑计划（2006BAD03A0203）
作者简介:陈强（1983- ），男，内蒙古赤峰市人，在读硕士研究生，主要从事土地资源管理方面研究。E-mail：chenqiang414@126.com
通讯作者:秦富仓（1966- ），男，内蒙古呼和浩特市人，博士，教授，硕士生导师，主要从事水土保持与土地资源管理教学与科研工作。E-mail：qinfc@126.com