NING, Su; TAOSHENG, Xu; LIANGTU, Song; RUJING, Wang; YUANYUAN, Wei. Variable rate fertilization system with adjustable active feed-roll length. International Journal of Agricultural and Biological Engineering, Beijing, China, v. 8, n. 4, p. 19–26, 2015. Disponível em: https://ijabe.org/index.php/ijabe/article/view/1644. Acesso em: 31 mar. 2026.