Progress and future prospects in co-planting with hyperaccumulators: Application to the sustainable use of agricultural soil contaminated by arsenic, cadmium, and nickel

IF 11.4 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Critical Reviews in Environmental Science and Technology Pub Date : 2023-06-02 DOI:10.1080/10643389.2023.2215684
Xiaoming Wan, Weibin Zeng, Wenchang Cai, Mei Lei, X. Liao, Tongbin Chen
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Abstract

Abstract Co-planting two or more species on the same piece of land, with overlapping time or not, has been suggested to increase both crop production and long-term sustainability. On soils that are slightly or moderately contaminated with heavy metals, hyperaccumulators have been co-planted with crops to clean the soil and produce safe agricultural products. Despite the increasing number of greenhouse experiments and field trials that investigate the co-planting mechanisms and efficiency, the consistency, stability, and applicability of this technology and its contribution to sustainability remain unclear. From published literature, we collected 118 co-planting combinations involving hyperaccumulators, and compared them with their monoculture controls. Co-planting averagely decreased the shoot arsenic concentration by ∼23.4% and cadmium by ∼13.4%. Co-planting controls the crop contamination as long as the hyperaccumulator and crop species are correctly selected, and the soil heavy metal is within the safe range. Further, a sustainability assessment criterion for the utilization of contaminated agricultural soil was proposed, taking As-contaminated soil as an example. A decision framework and a guideline for co-planting were established to aid in the decision-making. The outlook of co-planting as a sustainable solution and the future development were prospected. Graphical Abstract
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与超积累植物共同种植的进展和未来前景:在砷、镉和镍污染农业土壤可持续利用中的应用
摘要有人建议,在同一块土地上共同种植两个或两个以上的物种,无论时间是否重叠,都可以提高作物产量和长期可持续性。在受重金属轻度或中度污染的土壤上,超积累植物与作物共同种植,以清洁土壤并生产安全的农产品。尽管研究共同种植机制和效率的温室实验和田间试验越来越多,但这项技术的一致性、稳定性和适用性及其对可持续性的贡献仍不清楚。从已发表的文献中,我们收集了118个涉及超积累植物的共植组合,并将其与单一栽培对照进行了比较。共植使地上部砷浓度平均降低23.4%,镉浓度平均降低13.4%。只要正确选择超积累植物和作物物种,土壤重金属在安全范围内,共植就能控制作物污染。此外,以砷污染土壤为例,提出了农业污染土壤利用可持续性评价标准。制定了一个共同种植的决策框架和指导方针,以帮助决策。展望了合作种植作为一种可持续的解决方案的前景和未来的发展。图形摘要
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来源期刊
CiteScore
27.30
自引率
1.60%
发文量
64
审稿时长
2 months
期刊介绍: Two of the most pressing global challenges of our era involve understanding and addressing the multitude of environmental problems we face. In order to tackle them effectively, it is essential to devise logical strategies and methods for their control. Critical Reviews in Environmental Science and Technology serves as a valuable international platform for the comprehensive assessment of current knowledge across a wide range of environmental science topics. Environmental science is a field that encompasses the intricate and fluid interactions between various scientific disciplines. These include earth and agricultural sciences, chemistry, biology, medicine, and engineering. Furthermore, new disciplines such as environmental toxicology and risk assessment have emerged in response to the increasing complexity of environmental challenges. The purpose of Critical Reviews in Environmental Science and Technology is to provide a space for critical analysis and evaluation of existing knowledge in environmental science. By doing so, it encourages the advancement of our understanding and the development of effective solutions. This journal plays a crucial role in fostering international cooperation and collaboration in addressing the pressing environmental issues of our time.
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