Study on soil quality in different functional zones of Sofia region

Urban Farm DB summary

This study examined urban soil conditions and their potential for regulating ecosystem services in different functional zones of Sofia, Bulgaria. Data from 30 experimental plots (0-10 cm soil layer) were analyzed for heavy metal concentrations (Cu, Zn, Pb, Fe) and soil quality indicators (pH, CEC, total carbon, total nitrogen). The results showed differences in the capacity of green, industrial, residential, and urban agriculture zones to regulate and maintain soil quality, informing mitigation measures for soil protection and restoration.