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Development of soil moisture content measuring instrument based on GPS position

Development of soil moisture content measuring instrument based on GPS position

Journal of Zhejiang University Agriculture and Life Sciences 29(2): 135-138

In accordance with the requirement of water-saving irrigation in precision agriculture, an instrument was developed for measuring soil moisture content and its position. The instrument consists of a single-chip microcomputer, a global positioning system (GPS) receiver, a SWR2 moisture sensor, a keyboard, an LCD display and the RS-232C communication interface. The method of acquiring and processing of GPS data, output-characteristics of moisture sensor, and the software were also described.

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