Experimental assessment of potentially toxic metals and nutrient content at various morphological parts of two economic plants grown on spent engine oil (SEO) treated soils.
Chinenye B Ozokolie, Nkechinyere O Nweze, Felix A Andong, Emmanuel E Osayi, Angela N Amujiri
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引用次数: 0
Abstract
Metals interact with nutrients in plants grown on spent engine oil (SEO) soils; thus, relationship of metals and nutrients in several morphological parts of economical plants cultivated on SEO soils using a 3 × 4 factorial and a totally randomized design is documented. The polluted-vegetated soils were SEO treated at 0, 2, 4, 8% v/w and planted T. paniculatum and T. fruticosum separately. Before treatment, SEO tested positive for Cd, Zn, Pb, Cr, Cu, Fe and Ni, while at treatment, non-vegetated soils accumulated Pb, Cu, Zn, Ni, Fe. The T. paniculatum on SEO had more Cd among plants. ANOVA indicated significant (P < 0.05) relationship between metals, SEO and treated soils. A Post hoc indicated Fe and Pb levels differed significantly across SEO vegetated soils, while PCA suggests treated plant roots and leaves accumulated more of the toxic metals. These plants parts should not be consumed from SEO-polluted areas.
在废机油（SEO）土壤上种植的植物中，金属与养分相互作用；因此，本研究采用 3 × 4 因式设计和完全随机设计，记录了在废机油土壤上种植的经济植物的几个形态部位中金属与养分的关系。受污染的植被土壤经 0、2、4、8% v/w 的 SEO 处理后，分别种植了 T. paniculatum 和 T. fruticosum。处理前，SEO 对镉、锌、铅、铬、铜、铁和镍的检测呈阳性，而处理后，非植被土壤积累了铅、铜、锌、镍和铁。在 SEO 上的 T. paniculatum 在植物中的镉含量较高。方差分析表明，金属、SEO 和处理过的土壤之间有明显的关系（P < 0.05）。事后分析表明，SEO 植被土壤中铁和铅的含量差异显著，而 PCA 表明，处理过的植物根部和叶片积累了更多的有毒金属。这些植物部分不应在 SEO 污染地区食用。
期刊介绍：
International Journal of Environmental Health Research ( IJEHR ) is devoted to the rapid publication of research in environmental health, acting as a link between the diverse research communities and practitioners in environmental health. Published articles encompass original research papers, technical notes and review articles. IJEHR publishes articles on all aspects of the interaction between the environment and human health. This interaction can broadly be divided into three areas: the natural environment and health – health implications and monitoring of air, water and soil pollutants and pollution and health improvements and air, water and soil quality standards; the built environment and health – occupational health and safety, exposure limits, monitoring and control of pollutants in the workplace, and standards of health; and communicable diseases – disease spread, control and prevention, food hygiene and control, and health aspects of rodents and insects. IJEHR is published in association with the International Federation of Environmental Health and includes news from the Federation of international meetings, courses and environmental health issues.
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