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广西猫儿山之土壤 被引量:6

Soils in the MAO'ER Mountainous Region in Guangxi
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摘要 猫儿山地处亚热带季风气候,以常绿阔叶林为主 的自然森林植被生长茂盛,土壤矿物分解较彻底,成土过程主要是脱硅富铝化过程和旺盛的 生物富集过程。主要土壤类型为红、黄壤系列土壤。土壤的垂直分布规律明显。基带土壤为 红壤,自山麓至山顶依次为山地红壤、山地黄红壤、山地黄壤和山地淮黄壤。土壤质地多为 砂壤土至粘土,土壤剖面层次发育明显,盐基和粘粒的淋溶迁移和淀积作用强烈,全剖面呈 酸性至强酸性反应,盐基高度不饱和,代换量低,但表土有机质含量丰富,肥力高,是广西 重要的水源林区。 The Mao'er Mountains region lies in the sub-tropica l monsoonal climate,its vegetation of the broad leaved evergreen forest being fl ourishing.The soil and mineral decomposition goes thorough.The main soil-forming is the process of desilicification and allitization and the process of the biol ogical enrichment with the red and yellow soil.The horizontal soil is red,and fr om the forthill to the top in proper order,is mountain red soil,mountain yellow red soil,mountain yellow soil and mountain yellow like soil.The soil texture is mainly composed of sandy loam to sandy clay,its horizon differentiation on the s ection being evident,and the eluvial-translocation and accumulation of the base materials and clay particales being strong.An aid or strong aid reaction is show n,the whole section shows lower EC,and the base shows unsaturation.Being an impo rtant source of water and forest in Guangxi,it contains rich organic motters in the topsoil with plentiful fertility.
出处 《广西师院学报(自然科学版)》 2001年第3期27-33,共7页 Journal of Guangxi Teachers College(Natural Science Edition)
关键词 广西 猫儿山 自然条件 土壤分布 理化特性 土壤类型 土体厚度 土壤质地 酸碱度 the Mao'er mountains region natural conditions soi l distribution physical and chemical properties.
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参考文献2

  • 1广西土壤肥料工作站.广西土壤[M].南宁:广西科学技术出版社,1992.
  • 2中国科学院南京土壤研究所.中国土壤系统分类(二稿)[J].土壤学进展特刊,1987,.

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