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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(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2013年03期
Page:
65-70
Column:
研究论文
publishdate:
2013-05-20

Article Info:/Info

Title:
The contents and availability of soil microelements in different types of plantations in Karst mountainous site
Author(s):
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
Keywords:
Karst mountainous site plantation soil microelements content availability
Classification number :
S714.6
DOI:
10.3969/j.issn.1000-2006.2013.03.012
Document Code:
-
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.

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Last Update: 2013-05-31