Cortez-Lázaro RA, Mendoza-Cortez JW, García-Bendezú SJ, Casas-Díaz AV, Cortez-Lázaro AA, Coaquira-Incacari R. Development of preliminary multielement norms for the Diagnosis and Recommendation Integrated System (DRIS) in sweet potato, Ipomoea batatas (L.) Lam., in Cañete Province, Peru . Sci. agropecu. 2026;17(3):777-787. doi:10.17268/sci.agropecu.2026.52