Application of Sensor Technology in Soil Moisture Monitoring based on Dielectrometry

doi:10.11924/j.issn.1000-6850.casb15060129

Abstract

Abstract: As the development of sensor technology, soil moisture sensors are prevalent in current days. The most popular type of soil moisture sensors are based on dielectrometry including time domain reflectometry (TDR), time domain transmission (TDT), frequency domain decomposition (FD) and standing-wave ratio (SWR), which were analyzed through performance evaluation, structure breakdown, measurement standard, installation, application and troubleshooting in this paper. The results showed that different sensors presented different performance and structures, the measurement scale was uncertainty, and the installation methods included vertical profile method, ladder profile method and single point method. In the practical application, the automatic monitoring of deep and small scale soil water and the unify calibration method of sensor needed further study.

CLC Number:

S126

Jia Zhifeng,Zhu Hongyan,Wang Jianying and Ji Guobin. Application of Sensor Technology in Soil Moisture Monitoring based on Dielectrometry[J]. Chinese Agricultural Science Bulletin, 2015, 31(32): 246-252.

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