Method and apparatus to control soil moisture matric potential

Details Method and apparatus to control soil moisture matric potential Method and apparatus to control soil moisture matric potential

1984-09-14

1985-12-31

Levy, Stewart J.

Measuring and testing

Moisture content or absorption characteristic of material

G01N 1910, G01N 3324

Patent

active

045612943

ABSTRACT:
An apparatus and method of use for controlling the matric potential of a porous sample in a liquid are described. The apparatus includes a cylindrical porous cup for holding the sample, the cup having an air entry value greater than the matric potential to be imparted to the sample, an outer vesicle adapted to define a chamber between the cup and vesicle for holding the liquid, and means for adjusting the pressure of the liquid in the chamber.

REFERENCES:
patent: 3871211 (1975-03-01), Tal
patent: 4137931 (1979-02-01), Hasenbeck
Soil and Water, D. Hillel, Academic Press, New York, pp. 72-77, (1971).

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