Zinc fractionation in the rhizosphere of wheat (Triticum aestivum L.) plant in soils treated with sewage sludge

被引：0
|
作者：
Hosseinpur, A. R. [1 ]
Motaghian, H. R. [1 ]
机构：
[1] Shahrekord Univ, Fac Agr, Dept Soil Sci, Shahrekord, Iran
来源：
PROCEEDINGS OF THE 16TH INTERNATIONAL CONFERENCE ON HEAVY METALS IN THE ENVIRONMENT | 2013年 / 1卷
关键词：
Rhizosphere; Zinc; Fractionation technique; ROOT-INDUCED CHANGES; SPECIATION; COPPER; BIOAVAILABILITY; EXTRACTION; MANGANESE; CADMIUM; ACIDS; IRON; LEAD;
D O I：
10.1051/e3sconf/20130104004
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Rhizosphere is a microbiosphere and has quite different chemical, physical and biological properties from bulk soils. A greenhouse experiment was performed to compare fractionation of Zinc (Zn) between rhizosphere and bulk soils amended with sewage sludge (1% w/ w of sewage sludge to soil). Fractions of Zn were determined in two subsamples (rhizosphere and bulk soils). The results indicated concentration of Zn-fractions (except carbonates-associated) in the rhizosphere soils were significantly (p< 0.05) different from concentrations of Zn-fractions in the bulk soils. Also, results revealed that significant correlation (p< 0.05) between Zn associated with iron-manganese and yield and uptake indices in the rhizosphere and bulk soils were found. The results of this research illustrated that rhizosphere is a small zone but important environmental zone in soils with quite different properties.
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页数：4
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