Phytoaccumulation, interaction, toxicity and remediation of cadmium from Helianthus annuus L. (sunflower)

被引：19
|
作者：
Mani, Dinesh
Sharma, Bechan
Kumar, Chitranjan [1 ]
机构：
[1] Univ Allahabad, Dept Chem, Sheila Dhar Inst Soil Sci, Allahabad 211002, Uttar Pradesh, India
[2] Univ Allahabad, Dept Biochem, Allahabad 211002, Uttar Pradesh, India
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2007年 / 79卷 / 01期
关键词：
cadmium; phytoremediation; sunflower; toxicity; SEWAGE-SLUDGE; ORGANIC-MATTER; HEAVY-METALS; PLANT UPTAKE; ZINC; SOIL; LEAD; CD; ADSORPTION; CROPS;
D O I：
10.1007/s00128-007-9153-3
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An investigation was conducted to study the interaction between Cd and Ca, Zn and organic matter for Cd-phytoremediation in sunflower on the alluvium soil of the Sheila Dhar Institute (SDI) experimental farm, Allahabad (India). Application of 40 ppm Zn produced 11.18% extra dry matter (DM) content and 5.8% extra seed yield over the control. We recommended 1.0% Ca, 40 ppm Zn and 20 tons/ha of compost to enhance dry matter yield and diminish the Cd accumulation in 15 ppm Cd- ethylenediaminetetraacetic (EDTA)-treated plots up to 1/12 folds in sunflower (< 0.21 ppm), which indicated phytoremediation of Cd-contaminated soil through soil-plant-rhizospheric processes.
引用
收藏
页码：71 / 79
页数：9
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