喀斯特山地不同类型人工林土壤微量元素含量与有效性特征

doi:10.3969/j.issn.1000-2006.2013.03.012

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南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (03): 65-70.doi: 10.3969/j.issn.1000-2006.2013.03.012

喀斯特山地不同类型人工林土壤微量元素含量与有效性特征

安玉亭,薛建辉^*,吴永波,胡浩

南京林业大学森林资源与环境学院,江苏省林业生态工程重点实验室,江苏南京 210037

出版日期:2013-06-18 发布日期:2013-06-18
基金资助:
收稿日期:2012-12-20 修回日期:2013-03-20
基金项目:国家林业公益性行业科研专项项目(201104002)
第一作者:安玉亭,硕士生。*通信作者:薛建辉,教授。E-mail: jhxue@njfu.com.cn。
引文格式:安玉亭,薛建辉,吴永波,等. 喀斯特山地不同类型人工林土壤微量元素含量与有效性特征[J]. 南京林业大学学报:自然科学版,2013,37(3):65-70.

The contents and availability of soil microelements in different types of plantations in Karst mountainous site

AN Yuting, XUE Jianhui^*, WU Yongbo, HU Hao

Jiangsu Key Laboratory of Forestry Ecological Engineering, College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China

Online:2013-06-18 Published:2013-06-18

摘要/Abstract

摘要： 以贵州省普定县喀斯特山地营造的5种不同类型人工林为研究对象,运用ICP–MS法测定不同类型林分土壤中6种微量元素(Fe、Mn、Cu、Zn、Co、Mo)含量,分析了土壤有效态微量元素含量与土壤有机质含量、pH之间的相关性。结果表明:(1)6种微量元素中Fe含量最高,Mo含量最低,其中有效态微量元素的表聚效应明显。(2)6种微量元素的活化率大小顺序为:Cu>Zn>Mo>Mn>Fe>Co; 有效态Mo、Co含量均低于临界值; 不同林分土壤微量元素有效性综合指数大小顺序为:刺槐林>桤木林>杜仲林>冰脆李林>滇柏林。(3)土壤有机质含量与有效态Zn含量呈显著负相关(p<0.05),与有效态Fe、Mn、Cu、Co、Mo含量呈正相关; 土壤pH与有效态Fe、Mo含量呈显著负相关(p<0.05),与有效态Cu、Mn和Co含量呈负相关,与有效态Zn含量呈正相关。

Abstract: Five different types of plantations were studied from Puding county of Guizhou province in Karst mountainous site. The contents of six soil microelements(Fe, Mn, Cu, Zn, Mo and Co)were analyzed by the equipment ICP-MS. In the meantime their relationships with soil organic matter and pH value were analyzed by the correlation analysis method. The results indicated that:(1)The highest and lowest contents of soil microelements were Fe and Mo respectively. The contents of soil available microelements showed surface accumulation effect.(2)There existed the regularities of Cu>Zn>Mo>Mn>Fe>Co rate of available to total contents and Cupressus duclouxiana stand > Robinia pseudoacacia stand > Eucommia ulmoides stand > Prunus salicina stand > Alnus cremastogyne stand for comprehensive microelement availability index in different types of plantations.(3)There was a significant negative correlation(p<0.05)between the contents of soil organic matter and Zn availabilities, but a positive correlation between the contents of soil organic matter and Fe, Mn, Cu, Co, and Mo availabilities. Soil pH value was highly and negatively correlated(p<0.05)with the contents of available Fe and Mo, negatively correlated with available Cu, Mn and Co contents, and positively correlated with available Zn contents.

中图分类号:

S714.6

安玉亭,薛建辉,吴永波,等. 喀斯特山地不同类型人工林土壤微量元素含量与有效性特征[J]. 南京林业大学学报（自然科学版）, 2013, 37(03): 65-70.

AN Yuting, XUE Jianhui, WU Yongbo, HU Hao. The contents and availability of soil microelements in different types of plantations in Karst mountainous site[J].Journal of Nanjing Forestry University (Natural Science Edition), 2013, 37(03): 65-70.DOI: 10.3969/j.issn.1000-2006.2013.03.012.

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喀斯特山地不同类型人工林土壤微量元素含量与有效性特征

The contents and availability of soil microelements in different types of plantations in Karst mountainous site

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