农业土壤中微塑料对重金属的吸附研究现状
Situation of research on adsorption of heavy metals by microplastics in agricultural soil
从微塑料特征、农业土壤微塑料来源、微塑料对重金属的吸附-解吸作用及二者对作物生长的共同影响,探讨其对农业土壤中重金属的影响。研究发现,不同类型微塑料对重金属吸附能力不同,且受微塑料老化程度及土壤理化性质的影响;二者复合污染对作物生长表现出复杂的交互作用,包括协同和拮抗效应。未来研究需制定微塑料的标准分离与检测方法,关注不同来源及类型的微塑料,并综合考量微生物及农作物等生物因素的影响。
This account describes the impact of microplastics on heavy metals in agricultural soil from the perspectives of microplastic characteristics,the sources of microplastics in agricultural soil,the adsorption-desorption effects of microplastics on heavy metals,and their combined effects on crops growth.It is found that different types of microplastics deliver varying adsorption capabilities for heavy metals,which are influenced by the aging degree of microplastics and the physicochemical properties of the soil.The combined pollution caused by microplastics and heavy metals exhibits complex interactions on crops growth,including synergistic and antagonistic effects.The research in the future is suggested to establish standard methods for the separation and detection of microplastics,focus on different sources and types of microplastics,and consider comprehensively the impact of biological factors such as microorganisms and crops.
农田 / 农作物 / 解吸 / 吸附 / 来源 / 微塑料 / 重金属 / 土壤
farmland / crops / desorption / adsorption / source / microplastics / heavy metal / soil
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