## Abstract The water retention curve (θ(ψ)), which defines the relationship between soil volumetric water content (θ) and matric potential (ψ), is of paramount importance in characterizing the hydraulic behaviour of soils. However, few methods are so far available for estimating θ(ψ) in undisturbe
Mobile TDR for geo-referenced measurement of soil water content and electrical conductivity
✍ Scribed by Anton Thomsen; Kirsten Schelde; Per Drøscher; Flemming Steffensen
- Publisher
- Springer US
- Year
- 2007
- Tongue
- English
- Weight
- 338 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1385-2256
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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 water content uses two media: air for low and water for high values of dielectric permittivity, although the measured
## Abstract Irrigation is by far the largest consumer of water in the world. At the same time the need for irrigation may differ between different zones of a particular field due to spatial soil variability. In particular total available water content (TAWC) has effects on irrigation frequency and