LIU, Jun; CAI, Haotian; PI, Jie; ZHAO, Liye. Development of the portable device for the determination of nitrate-nitrogen contents in soil. International Journal of Agricultural and Biological Engineering, [S. l.], v. 18, n. 4, p. 216–228, 2025. DOI: 10.25165/ijabe.v18i4.8820. Disponível em: https://ijabe.org/index.php/ijabe/article/view/8820. Acesso em: 27 jan. 2026.