地下水

[23-8-3-08] Performance evaluation of soil moisture sensor with variable frequency mode to liquid.

*Masayuki Oishi¹, Hiroyasu Sano², Hideki Miyamoto³ (1. Daiki Rika Kogyo., Co Ltd., 2. Tokyo Metropolitan Industrial Technology Research Institute, 3. Saga University)

Keywords:soil moisture, soil water, moisture content by volume, water ratio, [fully] saturated soil