Development of Frequency Measurement Circuit for Soil Moisture Content and Electric Conductivity Measurement System with Detection of Soil Transient Response Characteristics for On-Site Measurement
Author:
Affiliation:
1. Graduate School of Integrated Science and Technology, Shizuoka University
2. College of Engineering, Academic Institute, Shizuoka University
Publisher
Institute of Electrical Engineers of Japan (IEE Japan)
Subject
Electrical and Electronic Engineering,Mechanical Engineering
Link
https://www.jstage.jst.go.jp/article/ieejsmas/143/5/143_89/_pdf
Reference20 articles.
1. (1) 平沢 正:「水環境が作物の生理・生態に及ぼす影響」, 土壌の物理性, Vol. 72, pp. 39-46 (1995)
2. (2) 岡島秀夫:「土壌溶液の養分濃度と作物生育」, 化学と生物, No. 20, pp. 309-316 (1982)
3. (3) G. C. Topp, J. L. Davis, and A. P. Annan : “Electromagnetic Determination of Soil Water Content: Measurements in Coaxial Trans-mission Lines”, Water Resources Research, Vol. 16, No. 3, pp. 574-582 (1980)
4. (4) R. Munoz-Carpena : “Field Devices For Monitoring Soil Water Content”, EDIS, BUL343, pp. 1-16 (2004)
5. (5) R. C. Schwartz, S. R. Evett, S. K. Anderson, and D. J. Anderson : “Evaluation of a Direct-Coupled Time-Domain Reflectometry for Determination of Soil Water Content and Bulk Electrical Conductivity”, Vadose Zone Journal, Vol. 15 (2016)
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