Abstract：
The contamination of crops by Cd is a worldwide problem that needs to be addressed for minimizing risk for human health. Today, numerous investigations have demonstrated that Si plays a role in reducing Cd toxicity and accumulation in cultivated plants. The evolution of scientific understanding - the Cd behavior in soil and in plant is discussed for the first time. Our analysis evidences that the research on Si-Cd interactions in the soil-plant system has quickened only in recent years, although basic interactions between silicic acid and Cd cations in aqueous systems were studied over 40-50 years ago. Today, numerous direct and indirect mechanisms of the Si impact on mobility and translocation of Cd in soil and in plants are reported. More productive studies in this area are those that considered the soil-plant system as a whole. Analysis of the development of the Cd-Si-related ideas suggests the prospects of further studies aimed at finding synergetic action of Si and other substances on Cd behavior in the soil-plant system.
摘要：
Cd对农作物的污染是一个世界性问题，需要解决以最大程度地降低人类健康风险。今天,大量研究表明，Si在降低栽培植物中Cd的毒性和积累中起作用。首次讨论了科学认识的演变-土壤和植物中的Cd行为。我们的分析证明，土壤-植物系统中Si-Cd相互作用的研究只是在最近几年才加快，尽管在40-50年前研究了含水系统中硅酸与Cd阳离子之间的基本相互作用。今天,据报道，Si对土壤和植物中Cd的迁移率和易位的影响有许多直接和间接机制。该领域更有成效的研究是将土壤-植物系统视为一个整体的研究。对Cd-Si相关思想发展的分析表明，进一步研究的前景旨在寻找Si和其他物质对土壤-植物系统中Cd行为的协同作用。
