A Low-Cost, Offline-Capable Wireless Soil Moisture Monitoring System for Smallholder Farmers: Design, Validation, and Agronomic Impact. FUDMA Journal of Engineering and Technology, [S. l.], v. 2, n. 1, p. 177–185, 2026. DOI: 10.33003/rdvnb403. Disponível em: https://fjet.fudutsinma.edu.ng/index.php/fjet/article/view/124. Acesso em: 11 apr. 2026.