Effect of Dif ferent Doses of NPK Fertilizer and Manure on N, P, K, Chlorophyll and Sweet Corn Yield in Vertisols. TERRA LATINAM [Internet]. 2024 Dec. 27 [cited 2026 Jun. 13];42. Available from: https://terralatinoamericana.org.mx/index.php/terra/article/view/2028