Recent Advances in Dielectric Properties-Based Soil Water Content Measurements

MI Abdulraheem, H Chen, L Li, AY Moshood, W Zhang… - Remote Sensing, 2024 - mdpi.com
Dielectric properties are crucial in understanding the behavior of water within soil,
particularly the soil water content (SWC), as they measure a material's ability to store an …

Wireless Powered Moisture Sensors for Smart Agriculture and Pollution Prevention: Opportunities, Challenges, and Future Outlook

MT Le, CD Pham, TPT Nguyen, TL Nguyen… - Current Pollution …, 2023 - Springer
Abstract Purpose of Review The ability to monitor soil moisture wirelessly can deliver
immense benefits to annual crops. Real-time soil moisture monitoring allows for accurate …

A TDR-based soil moisture monitoring system with simultaneous measurement of soil temperature and electrical conductivity

W Skierucha, A Wilczek, A Szypłowska, C Sławiński… - Sensors, 2012 - mdpi.com
Elements of design and a field application of a TDR-based soil moisture and electrical
conductivity monitoring system are described with detailed presentation of the time delay …

Accuracy calibration and evaluation of capacitance-based soil moisture sensors for a variety of soil properties

B Li, C Wang, X Gu, X Zhou, M Ma, L Li, Z Feng… - Agricultural Water …, 2022 - Elsevier
Accurate measurement of soil moisture (θ) is key to hydrology and agriculture research. Soil
moisture sensor technology is the predominant method for measuring θ, and such …

Measurements of drying and wetting permeability functions using a new stress-controllable soil column

CWW Ng, AK Leung - Journal of Geotechnical and …, 2012 - ascelibrary.org
Direct measurement of a permeability function, k (ψ)(where ψ= suction), of an unsaturated
soil is often tedious and time-consuming. Thus, researchers have proposed various …

Calibration of a TDR probe for low soil water content measurements

W Skierucha, A Wilczek, O Alokhina - Sensors and Actuators A: physical, 2008 - Elsevier
Time domain reflectometry (TDR) probes are increasingly used for field and laboratory
estimation of soil water content. Usual calibration of TDR probes for the determination of soil …

[PDF][PDF] Dielectric spectroscopy in agrophysics

W Skierucha, A Wilczek… - International …, 2012 - archive.sciendo.com
The paper presents scientific foundation and some examples of agrophysical applications of
dielectric spectroscopy techniques. The aim of agrophysics is to apply physical methods and …

A noninvasive TDR sensor to measure the moisture content of rigid porous materials

Z Suchorab, MK Widomski, G Łagód, D Barnat-Hunek… - Sensors, 2018 - mdpi.com
The article presents the potential application of the time domain reflectometry (TDR)
technique to measure moisture transport in unsaturated porous materials. The research of …

The assessment of water retention efficiency of different soil amendments in comparison to water absorbing geocomposite

M Śpitalniak, A Bogacz, Z Zięba - Materials, 2021 - mdpi.com
Soil amendments are substances added to the soil for moisture increment or
physicochemical soil process enhancement. This study aimed to assess the water …

Low-cost in-ground soil moisture sensing with radar backscatter tags

C Josephson, M Kotaru, K Winstein, S Katti… - Proceedings of the 4th …, 2021 - dl.acm.org
Despite decades of research confirming the benefits, most farms do not incorporate soil
moisture sensing into their irrigation practices. Soil moisture sensing can be broken into two …