Re: tension measurements in sandy soils

[Jean Piaget]

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>There has been some recent discussion on materials used to backfill
>ceramic porous cup devices that are in contact with the surrounding
>soil/water environment - bentonite being mentioned as one.
>
>I am investigating the use of a connecting media between granular matrix
>sensors

Heck , but I am falling further and further out of touch. What is the modern
definition of a GRANULAR MATRIX SENSOR ? Is it a sensor not viable in a
loam? 
By using an artificial slurry are you not just transposing the contact
problem just slightly away from the sensor ? Jean/

[Bruce comments:
content from this discussion will hopefully provide copy for the sowacs page
on granular matrix sensors : www.sowacs.com/sensors/granular.html ]