Caracterização da fertilidade do solo do município de São Vicente do Sul – RS

Abstract

The municipality of São Vicente do Sul, is located in the central region of Rio Grande do Sul, agricultural production is a strong feature of this region, but problems with acidity and availability of nutrients in degraded soils have been observed, causing damage to producers in the municipality. Soil chemical analysis is the most used tool to assess soil fertility. The objective of this work was to characterize the fertility of soils in the municipality of São Vicente do Sul, based on the results of chemical analyzes carried out at the Soil Analysis Laboratory IFFar Campus SVS, between January 2015 and December 2022. 1800 soil analysis results were used and the following chemical attributes were evaluated: organic matter, texture, phosphorus, potassium, pH, cation exchange capacity, base saturation and aluminum saturation. The results showed that most soils in the municipality of São Vicente do Sul have a sandy texture, with high acidity, low levels of organic matter, phosphorus and potassium. Thus, it is concluded that the use of fertilizers and correctives combined with changes in management carried out in these areas is essential to recover and maintain soil fertility at adequate levels for crop development.