Fate of 15N-labeled urea under a guar-wheat rotation as influenced by crop residue incorporation in a semi-arid Vertisol. (172). Tropical Agriculture, [S. l.], v. 92, n. 3, 2015. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/899. Acesso em: 19 apr. 2025.