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Impacts of Choerospondias axillaris growth on acidity of Udic Ferrosols in subtropical China
Li, QM; Wang, XX; Bi, SP; Wang, XX, Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China
2005-02-01
Source PublicationPEDOSPHERE
ISSN1002-0160
Volume15Issue:1Pages:95-102
AbstractChanges in acidity of Udic Ferrosols, caused by growth of Choerospondias axillaris (Roxb.) Burtt et Hill, in comparison to wild grass, were investigated for pH distribution in the soil profile, exchangeable acidity, and cation status in the soil leachate of a simulated leaching experiment. Soils were sampled in profiles at 5 cm intervals to a depth of 100 cm. In the 1.5-60 cm layer the soils with 10-year old C. axillaris had significantly lower pH (P < 0.05), with the largest difference being 0.41: and in the 25-75 cm soil depths, especially in the 30-55 cm layer, the soils had a significantly higher exchangeable acidity, ranging 1.93 to 3.02 cmol(c) kg(-1). There was also higher aluminum, potassium, and sodium contents in the soil leachate under C. axillaris than with wild grasses. This suggested that the growth of C. axillaris accelerated acidification of Udic Ferrosols and promoted soil clay mineral weathering.; Changes in acidity of Udic Ferrosols, caused by growth of Choerospondias axillaris (Roxb.) Burtt et Hill, in comparison to wild grass, were investigated for pH distribution in the soil profile, exchangeable acidity, and cation status in the soil leachate of a simulated leaching experiment. Soils were sampled in profiles at 5 cm intervals to a depth of 100 cm. In the 1.5-60 cm layer the soils with 10-year old C. axillaris had significantly lower pH (P < 0.05), with the largest difference being 0.41: and in the 25-75 cm soil depths, especially in the 30-55 cm layer, the soils had a significantly higher exchangeable acidity, ranging 1.93 to 3.02 cmol(c) kg(-1). There was also higher aluminum, potassium, and sodium contents in the soil leachate under C. axillaris than with wild grasses. This suggested that the growth of C. axillaris accelerated acidification of Udic Ferrosols and promoted soil clay mineral weathering.
SubtypeArticle
KeywordAcidification Choerospondias Axillaris Udic Ferrosols
DepartmentChinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Nanjing Univ, Dept Chem, Nanjing 210093, Peoples R China
Subject AreaSoil Science
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000226946600014
WOS KeywordWEATHERING RATES ; FOREST SOILS ; ACIDIFICATION
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9324
Collection期刊论文
Corresponding AuthorWang, XX, Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
3.Nanjing Univ, Dept Chem, Nanjing 210093, Peoples R China
Recommended Citation
GB/T 7714
Li, QM,Wang, XX,Bi, SP,et al. Impacts of Choerospondias axillaris growth on acidity of Udic Ferrosols in subtropical China[J]. PEDOSPHERE,2005,15(1):95-102.
APA Li, QM,Wang, XX,Bi, SP,&Wang, XX, Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China.(2005).Impacts of Choerospondias axillaris growth on acidity of Udic Ferrosols in subtropical China.PEDOSPHERE,15(1),95-102.
MLA Li, QM,et al."Impacts of Choerospondias axillaris growth on acidity of Udic Ferrosols in subtropical China".PEDOSPHERE 15.1(2005):95-102.
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