文献类型： 外文期刊
第一作者： Jiang, Mingliang
作者： Jiang, Mingliang;Lv, Mouchao;Deng, Zhong;Zhai, Guoliang;Jiang, Mingliang;Lv, Mouchao;Deng, Zhong;Zhai, Guoliang;Jiang, Mingliang;Lv, Mouchao;Deng, Zhong;Zhai, Guoliang
作者机构：
期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）
ISSN： 1932-6203
年卷期： 2017 年 12 卷 9 期
页码：
收录情况： SCI
摘要： XIn a variety of agricultural activities, such as irrigation scheduling and nutrient management, soil water content is regarded as an essential parameter. Either power supply or long-distance cable is hardly available within field scale. For the necessity of monitoring soil water dynamics at field scale, this study presents a wireless soil moisture sensor based on the impedance transform of the frequency domain. The sensor system is powered by solar energy, and the data can be instantly transmitted by wireless communication. The sensor electrodes are embedded into the bottom of a supporting rod so that the sensor can measure soil water contents at different depths. An optimal design with time executing sequence is considered to reduce the energy consumption. The experimental results showed that the sensor is a promising tool for monitoring moisture in large-scale farmland using solar power and wireless communication.
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