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Journal of Agricultural Mechanization Research. 2011, (03) Core

Design of Measuring Soil-moisture Device Based on Transmission Line TheoryChinese Full Text

Yang Yanrong,Du Yanhong,Wei Yong,Liu Yuan,Shan Huiyong(Department of Agricultural Engineering,Tianjin Agricultural College,Tianjin 300384,China)

Abstract: A device of measuring soil moisture based on transmission line theory was designed;it was mainly made up of soil moisture sensor and MCU system.The result indicated that soil types and bulk density have limited impact on measurement result;the ionic conductivity of salts dissolved in the soil moisture has significant influence on soil water measurement,especially high salinity in soil,you will need to calibrate it for your specific soil,if you want to minimize the errors.
Keywords：

soil moisture; dielectric; transmission line;

  • DOI：

    10.13427/j.cnki.njyi.2011.03.031

  • Series：

  • Subject：

  • Classification Code：

    S152.7

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