Prediction of Heavy Metal Uptake in Red Radish (Raphanus sativus var. sativus) in Relation to Soil Characteristics and Sewage Sludge Amendments

IF 3 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Water, Air, & Soil Pollution Pub Date : 2025-04-23 DOI:10.1007/s11270-025-08011-0

Mohamed T. Ahmed, Sulaiman A. Alrumman, Pankaj Kumar, Ebrahem M. Eid

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引用次数: 0

Abstract

This study developed predictive models to assess the uptake of nine heavy metals (Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn) in red radish (Raphanus sativus var. sativus) shoots and roots under increasing sewage sludge amendments (0–50 g/kg soil). Sewage sludge application significantly altered soil properties, including pH, EC, and organic matter content. Cd, Co, Pb, and Zn were enriched in sewage sludge, whereas Cr, Cu, Fe, Mn, and Ni were more abundant in soil. Post-cultivation analysis showed significant changes in soil properties and heavy metal levels with increasing sewage sludge amendments. Red radish preferentially accumulated heavy metals in roots, though Zn showed the highest translocation to shoots. Bioaccumulation factors (BAFs) and translocation factors (TFs) indicated metal-specific uptake patterns influenced by soil pH, electrical conductivity (EC), organic matter (OM), and initial heavy metal contents. Also, multiple linear regression predicted heavy metal accumulation based on soil parameters with high model efficiency and low prediction errors. Thus, excessive sewage sludge application poses contamination risks, necessitating regulated application to safeguard agricultural systems.

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红萝卜（Raphanus sativus var. sativus）重金属吸收与土壤特性和污泥改型的关系

本研究建立了预测模型，以评估红萝卜（Raphanus sativus var. sativus）嫩芽和根系在污水污泥添加量增加（0-50 克/千克土壤）条件下对九种重金属（镉、钴、铬、铜、铁、锰、镍、铅、锌）的吸收情况。施用污水污泥会明显改变土壤性质，包括 pH 值、EC 值和有机质含量。污水污泥中富含镉、钴、铅和锌，而土壤中则富含铬、铜、铁、锰和镍。栽培后分析表明，随着污水污泥添加量的增加，土壤性质和重金属含量发生了显著变化。红萝卜的重金属主要积累在根部，但锌在嫩芽中的转移率最高。生物累积因子（BAFs）和易位因子（TFs）表明，特定金属的吸收模式受土壤 pH 值、导电率（EC）、有机质（OM）和初始重金属含量的影响。此外，基于土壤参数的多元线性回归预测重金属积累，模型效率高，预测误差小。因此，过量施用污水污泥会带来污染风险，有必要规范施用以保护农业系统。

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来源期刊

Water, Air, & Soil Pollution 环境科学-环境科学

CiteScore

4.50

自引率

6.90%

发文量

448

审稿时长

2.6 months

期刊介绍： Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments. Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation. Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.