CAI, Yuxiao et al. Effects of Adding Pyrochar and Hydrochar to Calcareous Soil on Nutrient Uptake by Maize. BioResources, [S. l.], v. 18, n. 2, p. 2981–2997, 2023. Disponível em: https://ojs.bioresources.com/index.php/BRJ/article/view/22273. Acesso em: 17 dec. 2025.