Widespread contamination of the per- and polyfluoroalkyl substance (PFAS) in agricultural areas is largely attributed to the application of sewage sludge in which the PFAS can be concentrated. This creates a pathway for these contaminants to enter the food chain and, by extension, causes human health and economic concerns. One barrier to managing land with PFAS contamination is the variation in reported plant uptake levels across studies. A review of the literature suggests that the variation in plant uptake is influenced by a host of factors including the composition of PFAS chemicals, soil conditions, and plant physiology. Factors include (1) the chemical components of the PFAS such as the end group and chain length; (2) drivers of soil sorption such as the presence of soil organic matter (SOM), multivalent cation concentration, pH, soil type, and micropore volume; and (3) crop physiological features such as fine root area, percentage of mature roots, and leaf blade area. The wide range of driving factors highlights a need for research to elucidate these mechanisms through additional experiments as well as collect more data to support refined models capable of predicting PFAS uptake in a range of cropping systems. A conceptual framework presented here links drivers of plant PFAS uptake found in the literature to phytomanagement approaches such as modified agriculture or phytoremediation to provide decision support to land managers.

中文翻译：

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将植物全氟烷基物质和多氟烷基物质 (PFAS) 吸收的驱动因素与农业土地管理决策联系起来。

农业地区全氟烷基物质和多氟烷基物质（PFAS）的广泛污染很大程度上归因于可浓缩 PFAS 的污水污泥的应用。这为这些污染物进入食物链创造了一条途径，进而引起人类健康和经济问题。管理受 PFAS 污染的土地的一大障碍是不同研究报告的植物吸收水平的差异。对文献的回顾表明，植物吸收的变化受到许多因素的影响，包括 PFAS 化学物质的成分、土壤条件和植物生理学。因素包括（1）PFAS的化学成分，例如端基和链长；(2) 土壤吸附的驱动因素，例如土壤有机质 (SOM) 的存在、多价阳离子浓度、pH、土壤类型和微孔体积；(3)细根面积、成熟根百分率、叶片面积等作物生理特征。广泛的驱动因素突出表明需要通过额外的实验来阐明这些机制，并收集更多数据来支持能够预测一系列种植系统中 PFAS 吸收的精细模型。这里提出的概念框架将文献中发现的植物 PFAS 吸收驱动因素与改良农业或植物修复等植物管理方法联系起来，为土地管理者提供决策支持。