J. A. González Marrero and R. Ríos Longares, “Techniques to Fertilize the Soil in Rome: The Treatises De agri cultura”, fortunatae, no. 25, pp. 183–197, Nov. 2014, Accessed: Nov. 12, 2026. Available: https://www.ull.es/revistas/index.php/fortvnatae/article/view/3754