Nitrogen doses in topdressing affect vegetation indices and corn yield. Bioscience Journal [online], 2019. [online], vol. 35, no. 5, pp. 1432–1437. [Accessed16 December 2025]. DOI 10.14393/BJ-v35n5a2019-42292. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/42292.