Abstract
<abstract> <bold>Abstract.</bold> Uncertainty in timing and amount of precipitation requires supplemental irrigation in the Mid-South U.S. to ensure adequate yields and reduce risks of crop production. There is a need to provide producers with irrigation scheduling aids for appropriate management of irrigation in the region. A wireless sensor network (WSN) was developed and deployed in three fields to monitor soil water status and collect weather data for irrigation scheduling. The WSN consists of soil-water sensors, weather sensors, wireless data loggers, and a wireless modem. Soil-water sensors were installed at three depths below the ground surface in various locations across the fields. Weather sensors were mounted on a 10-foot instrument tower. Using the WSN system, soil moisture was measured at one-hour intervals, weather conditions including precipitation, solar radiation, wind speed, and humidity were continuously monitored and soil moisture data and weather data were automatically and wirelessly transmitted to the internet making the data available online. Data collected by the WSN were used in irrigation scheduling. Detailed information on the configuration, installation, performance, and maintenance of the WSN system are reported in this paper.
Published Version
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