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Using wood chips for the protection of plants and soil from the harmful effects of road salt
European Journal of Wood and Wood Products ( IF 2.6 ) Pub Date : 2020-07-13 , DOI: 10.1007/s00107-020-01563-4
Wojciech Spisak , Andrzej Chlebicki , Konrad Wołowski , Mateusz Szar , Jarosław Kozak , Mariusz Kaszczyszyn

In this study, the use of a new system made of natural wood absorbers (Salix viminalis) is proposed as a tool to protect plants, groundwater and soil from the adverse effects of de-icing salt. The toxic effects of road de-icing salt on soils, groundwater and plant growth have concerned environmental scientists, especially ecologists, for decades and have already been the subject of many studies. In terms of both time and cost, sodium chloride is widely regarded as the most effective chemical for de-icing roads and pavements. The protection of roadside plants is mainly achieved by using physical barriers with a limited capacity to retain road salt. Willow chips were packed into three systems: separated micro-columns, separated micro-columns with retention cups, and a monolayer column. Each system eliminated some of the salt from a brine solution such that only low-salinity water penetrated into the soil. The efficiency of road salt uptake varied from 31–95% depending on the system. The efficiency of the system was determined based on the salt content measured in the absorber collected after winter. Soil contamination by de-icing salt and the migration of different ions in groundwater were beyond the scope of this study.



中文翻译:

使用木片保护植物和土壤免受路盐的有害影响

在这项研究中,使用了由天然木材吸收剂制成的新系统(Salix viminalis)被建议作为一种保护植物,地下水和土壤免受除冰盐不利影响的工具。道路除冰盐对土壤,地下水和植物生长的毒性作用已经引起环境科学家,尤其是生态学家的关注,数十年来,这已经成为许多研究的主题。就时间和成本而言,氯化钠被广泛认为是使道路和人行道除冰的最有效化学品。对路边植物的保护主要是通过使用保留路盐能力有限的物理屏障来实现的。将柳树碎屑包装到三个系统中:分离的微柱,带有保留杯的分离的微柱和单层色谱柱。每个系统都从盐水溶液中去除了一些盐,因此只有低盐度的水渗入土壤。根据系统的不同,道路盐分吸收的效率从31%到95%不等。该系统的效率是根据冬季后收集的吸收器中测得的盐含量确定的。除冰盐对土壤的污染以及地下水中不同离子的迁移不在本研究范围之内。

更新日期:2020-07-13
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