This study aims to comparatively evaluate the chemical properties of two representative soils from Sânandrei area (Timiș County, Romania), namely molic preluvosol and eutric gleysol, in order to highlight their fertility status and agricultural suitability. The research was based on detailed pedological profiles, with chemical analyses performed on genetic horizons. The investigated parameters included soil reaction (pH), humus content, total nitrogen, mobile phosphorus and potassium, sum of exchangeable bases (SB), cation exchange capacity (CEC), and base saturation degree (V). Standard laboratory methods were applied, including potentiometric determination of pH, wet oxidation for humus, Kjeldahl method for total nitrogen, and extraction methods for mobile nutrients. The data were processed using descriptive and comparative statistical approaches, including range, mean values, and profile trends for each parameter. Results showed that molic preluvosol presents a wider pH range (5.80–8.40) and higher mean values of mobile nutrients, particularly phosphorus (12.3 ppm) and potassium (145.3 ppm), indicating a more balanced chemical fertility. In contrast, eutric gleysol is characterized by higher humus (up to 2.97%) and total nitrogen content (mean 0.116%), as well as greater cation exchange capacity (mean 31.06 me/100 g soil), but lower availability of mobile nutrients and a more acidic reaction in surface horizons. Statistical comparison highlights that preluvosol is chemically more suitable for intensive agricultural use, while gleysol shows limitations related to nutrient availability and hydromorphic conditions. The findings emphasize the need for differentiated soil management strategies, including fertilization and drainage measures, to optimize agricultural productivity under local pedoclimatic conditions.

soil chemical properties; soil fertility; preluvosol; gleysol; nutrient availability; cation exchange capacity; Romania

agronomy

Presentation: poster