A Self-Powered, Real-Time, LoRaWAN IoT-Based Soil Health Monitoring System. - S. R. Jino Ramson; Walter D. Leon-Salas; Zachary Brecheisen; Erika J. Foster; Cliff T. Johnston; Darrell G. Schulze; Timothy Filley; Rahim Rahimi; Martín Juan Carlos Villalta Soto; Juan A. Lopa Bolivar; Mauricio Postigo (IEEE Internet Things J., 2021)