Influence of some chelators on the phytoextraction ability of sunflower (Helianthus annuus) for cd and pb metals in polluted soil

Lotfy, S.M.

Influence of some chelators on the phytoextraction ability of sunflower (Helianthus annuus) for cd and pb metals in polluted soil [electronic resource]. تأثير بعض المواد المخلبية على القدرة الاستخلاصية لنبات عباد الشمس لكل من عنصرى الكادميوم والرصاص من الأراضى الملوثة. - P541-558.

Includes reference.

Chelation and complexation of heavy metals were evaluated as practical ways to solubilize, detoxify, and enhance heavy metals accumultion by plants. sunflower (helianthus annuus) was selected as a potential heavy metals accumulator for metals in two selected soils different in texture and contamination levels. to enhance metals phyto-extraction, ammonium nitrate and organic chelators (edta, and citric acid) were added to soils at rates of 0 to 20 mmol kg⁻¹ pots experiment was run for 8 weeks.


Summary in Arabic.


Sunflowers.
Heavy metals.
Heavy metals--Absorption and adsorption.
Plants--Effect of heavy metals on.
Phytoalexins.
Plant-soil relationships.
Citric acid.

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