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Updated: May 16, 2026

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.
Published on: June 4, 2021
Sulphur cycling between terrestrial agroecosystem and atmosphere
Zeljka Zgorelec1, Gordana Pehnec, Ferdo Bašić
1Faculty of Agriculture, and Institute for Medical Research and Occupational Health, University of Zagreb, Zagreb, Croatia. zzgorelec@agr.hr
This study monitored sulphur in soil, plants, and air near Croatia's Podravina gas system. Results show sulphur levels in the ecosystem, informing environmental protection efforts.
Area of Science:
- Environmental Science
- Geochemistry
- Ecotoxicology
Background:
- The Podravina natural gas borehole system in Croatia is a major energy supplier.
- Environmental protection standards necessitate continuous monitoring of potential pollutants.
- Independent scientific research is crucial for assessing ecosystem health near industrial sites.
Purpose of the Study:
- To measure total sulphur content in soil and plants.
- To determine concentrations of gaseous sulphur compounds in the air.
- To assess atmospheric sulphur deposition to understand ecosystem impact.
Main Methods:
- Soil samples analyzed for total sulphur at surface and subsurface levels (0-8 cm).
- Plant samples (Plantago lanceolata) analyzed for total sulphur.
- Gaseous sulphur compounds (H2S, RSH, SO2) measured in ambient air.
- Atmospheric sulphur (S-SO4) deposition quantified at a dedicated measuring station.
Main Results:
- Average total sulphur in soil: 1,080 mg kg-1; in plants: 4,108 mg kg-1.
- Monthly average air concentrations: H2S (0.2-2.0 μg m-3), RSH (0.1-24.5 μg m-3), SO2 (0.4-2.8 μg m-3).
- Average annual atmospheric sulphur deposition: 6.3 kg S-SO4 per hectare.
Conclusions:
- The study provides baseline data on sulphur levels in the ecosystem surrounding the Podravina gas system.
- Monitoring results are essential for evaluating the effectiveness of environmental protection measures.
- Findings contribute to understanding the environmental fate of sulphur compounds from natural gas operations.
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