García-Ruiz R, Bautista F, Sánchez-Hernández R, Goguitchaichvili A. Colorimetric method to estimate the soil organic matter in karst areas: Proxy method to estimate SOC . Ecosist. Recur. Agropec. [Internet]. 2022 Mar. 17 [cited 2025 Sep. 25];9(1). Available from: https://era.ujat.mx/index.php/rera/article/view/3189