Ecole doctorale en Agriculture Durable et Gestion des Ressources en Eau, Institut Supérieur Agronomique Valery Giscard d’Estaing de Faranah, BP: 131 Faranah, Guinea
The study examines the impact of glyphosate doses on the chemical characteristics of soils in four rural communes of the N’Zérékoré Prefecture in Guinea. The objective is to analyze the variations in pH, cation exchange capacity (CEC), and nutrient levels (K2O, P2O5, CaO, and Na2O) following the application of different glyphosate doses. A complete randomized block design was used, and soil samples were analyzed to determine the agronomic and environmental impacts of this herbicide. The results indicate that the application of high doses of glyphosate significantly affects the pH and CEC, leading to soil acidification and a reduction in its ability to retain nutrients. These observations highlight the importance of managing glyphosate doses to maintain soil health and the sustainability of agricultural practices.
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