Baêta dos Santos A, Soler da Silva MA, Marques da Silveira P, Duarte Carvalho G, Stone LF. Nitrogen sufficiency index for estimating nitrogen fertilizer requirement of irrigated rice. Revista Ceres [Internet]. 2025 May 9 [cited 2026 May 20];66(6):422-30. Available from: https://ojs.ceres.ufv.br/ceres/article/view/7745