摘要
通过定位试验,采用定性与定量相结合的方法,研究与探讨了种植龙须草对土壤理化性状、草地小气候环境、水土流失等生态效益的影响。研究结果表明,种植龙须草降低土壤容重,提高土壤总孔隙度、非毛管孔隙度和毛管孔隙度,改善土壤通气透水性能,提高土壤肥力,改善土壤化学性状,降低土温,增加土壤贮水量,减少水土流失,从而取得良好的生态效益。
By localization experiment, adopting the quantitative and qualitative methods, this paper studied and probed into the ecological effects of Eulaliopsis binata plantation on soil physical and chemical properties, microclimate environment of grassland, water losses and soil erosion and so on. The results showed that,compared with barren land, Eulaliopsis binata decreased the soil bulk density, increased total soil porosity, the non-capillary porosity and the capillary porosity, ameliorated the water permeability and soil aeration, raised soil fertility, improved chemical properties of soil, decreased soil temperature, raised the water-holding capacity of soil, reduced the soil erosion amount. Therefore, planting Eulaliopsis binata in slope wasteland of purple soil region could achieve favorable ecological benefits.
出处
《草业学报》
CSCD
2003年第4期63-68,共6页
Acta Prataculturae Sinica
基金
湖南省科技重大攻关项目(99KY2021-1)。
关键词
紫色页岩地区
荒坡地
龙须草
生态效益
purple shale region
slope wasteland
Eulaliopsis binata
ecological benefit
