Cortez-Lázaro, R.A. et al. 2026. Development of preliminary multielement norms for the Diagnosis and Recommendation Integrated System (DRIS) in sweet potato, Ipomoea batatas (L.) Lam., in Cañete Province, Peru . Scientia Agropecuaria. 17, 3 (sep. 2026), 777–787. DOI:https://doi.org/10.17268/sci.agropecu.2026.52.