NOVARA, A. et al. Long-term organic farming on a citrus plantation results in soil organic carbon recovery. Cuadernos de Investigación Geográfica, Logroño, SPA, v. 45, n. 1, p. 271–286, 2019. DOI: 10.18172/cig.3794. Disponível em: https://publicaciones.unirioja.es/ojs/index.php/cig/article/view/3794. Acesso em: 20 oct. 2025.