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首页> 外文期刊>Journal of Residuals Science & Technology >Cadmium phytoextraction efficiency by Sorghum bicolor and Helianthus annuus
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Cadmium phytoextraction efficiency by Sorghum bicolor and Helianthus annuus

机译：双色高粱和向日葵对镉的提取效率。

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The objective of this study was to determine Cd phytoextraction efficiency for Sorghum bicolor and Helianthus annuus. Pot experiments were carried out in a greenhouse using Cd contaminated soils at 0 and 5 mg Cd kg-1. Biomass and Cd concentrations were measured in shoots and roots of the plants. Sequential extraction was used in contaminated soil before and after plants cultivation. Results demonstrated that Helianthus annuus had a higher shoot biomass production compared to Sorghum bicolor. Accumulation of Cd in shoots of Helianthus annuus was greater than that of Sorghum bicolor. Values of bioconcentration factor (BCF), translocation factor (TF) and phytoextraction efficiency (PR) indicated Helianthus annuus had a higher potential to translocate and move Cd from the plant roots to the shoots than Sorghum bicolor. Based on sequential extraction results, phytoextraction of Cd by Sorghum bicolor and Helianthus annuus decreased the percentage of exchangeable and bound to carbonates forms of Cd in the soil.
机译：这项研究的目的是确定镉对高粱和向日葵的提取效率。在温室中使用0和5 mg Cd kg-1的Cd污染土壤进行盆栽实验。在植物的芽和根中测量生物量和镉的浓度。在植物栽培之前和之后，在污染的土壤中使用顺序萃取。结果表明，与双色高粱相比，向日葵具有更高的茎生物量产量。向日葵芽中Cd的积累量高于双色高粱。生物浓缩因子（BCF），易位因子（TF）和植物提取效率（PR）的值表明，与双色高粱相比，向日葵具有更高的潜力将Cd从植物根部转移并转移至芽。根据顺序提取结果，高粱双色和向日葵对土壤中Cd的植物提取降低了土壤中Cd的可交换和与碳酸盐形式结合的百分比。

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