Abstract
<p>Sulphur occurs in many environmental compounds. Source of this element may be natural as also anthropogenic origin, for example related with the development of road traffic. The aim of this study was to evaluate the impact of traffic on the content of total and sulphate sulphur in forest soils and plant material. The selected physicochemical properties of soils were determined: soil texture by laser diffraction method, soil pH by potentiometric method, total organic carbon (TOC) by Tiurin method. The content of total and sulphate sulphur in research material was determined by Bardsley-Lancaster method modified by COMN-IUNG. All analyses were performed in three replicates and the verification of the results was based on the certified material Till-3. Statistical analysis of the results were performed in Statistica 12.0 for Windows Pl software. Examined research material was characterized by medium, high and anthropogenic origin content of total and sulphate sulphur. Undertaken studies showed that the traffic could have an adverse influence on the content of sulphur in soils and plant material.</p>
Highlights
Following analysis were conducted on pine bark samples: the content of total sulphur and sulphate sulphur were determined by Bardsley-Lancaster method (Bardsley & Lancaster, 1960) modified by COMN-IUNG
Following analyses were conducted on pine three-years increments needles samples: the content of total sulphur and sulphate sulphur was determined by Bardsley-Lancaster method (Bardsley & Lancaster, 1960) modified by COMN-IUNG
According to the guidelines developed by Kabata-Pendias (2010) examined soil may be qualify as a soil with medium and high content of total sulphur and as a soil with medium, high and anthropogenic origin content of sulphate sulphur
Summary
Source of this element may be natural as anthropogenic origin, for example related with the development of road traffic. The aim of this study was to evaluate the impact of traffic on the content of total and sulphate sulphur in forest soils and plant material. Lower soil pH can cause launching other compounds for example heavy metals like aluminium, nickel, mercury (Karczewska & Kabała, 2010) Pollutant emissions such as sulphur must be monitored to provide proper quality of environmental components and prevent of their degradation (Franco et al, 2013). Sulphate sulphur constitute from 3-50% of the total content of this element in the soil This is an unstable form, which provides an easy leaching and an easy consumption by plants (Motowicka-Terelak & Terelak, 1998; Jakubus, 2006). The content of sulphur in Polish soils takes average values from 500 to 5000 mg·100 g-1 (Gorlach & Mazur, 2001)
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