1. Internet of things (IoT), technologies, applications, challenges, and solutions;Tripathy,2017
2. A physically based soil moisture index from passive microwave brightness temperatures for soil moisture variation monitoring;Zeng;IEEE Trans Geosci Remote Sens,2020
3. Internet of things and machine-learning-based leaching requirements estimation for saline soils;Bashir;IEEE Internet Things J,2020
4. Internet of things technology in monitoring system of sustainable use of soil and land resources;Chen;IEEE Access,2020
5. Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems, and radio local area networks in the frequency range 300 MHz to 100 GHz;ITU, P.1411,2019