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Tensiometers for measuring the capillary tension of soil water
- Richards, L.A., Gardner, W.
- Agronomy journal 1936 v.28 no.5 pp. 352-358
- tensiometers, laboratory equipment, soil water, calibration, surface tension, temperature, capillarity
- The expression "capillary tension" is used as a name for the negative pressure existing in the water in unsaturated soil and porous cell-vacuum gauge instruments used in its measurement are called tensiometers. Principles underlying the use of indicating, recording, and differential tensiometers are discussed and apparatus used by the authors is described.