Some investigations on the electrical method of soil moisture determination

Author:

Deighton Thomas

Abstract

In this paper an examination is made of the processes operative and the limits of accuracy of the electrical method of determining soil moisture.The resistance over a small plot is found to vary under similar conditions and it is concluded that these differences are most probably due to actual differences in moisture or other factors.The effect of the distance apart of the electrodes is investigated and a probability of a minimum resistance between two electrodes being observed under certain conditions is indicated.

Publisher

Cambridge University Press (CUP)

Subject

Genetics,Agronomy and Crop Science,Animal Science and Zoology

Reference10 articles.

1. Measurement of inactive or unfree Moisture in the Soil by means of the Dilatometer Method;Bouyoucos;Journ. Agric. Res.,1917

2. (1) Whitney M. Some Physical Properties of Soil in their Relation to Moisture and Crop Distribution. U.S. Dept. Agric., Weather Bureau Bull. No. 4, 1892.

3. (4) Briggs L. J. Electrical Instruments for Determining the Moisture, Temperature, and Soluble Salt Content of Soils. U.S. Dept. Agric, Division of Soils, Bull. No. 15, 1899.

4. Wechselstromelectrolyse;Leblanc;Zeitschr. f. Phys, Chem.,1903

5. (3) Gardner F. D. The Electrical Method of Moisture Determination in Soils; Results and Modifications in 1897. U.S. Dept. Agric, Division of Soils, Bull. No. 12, 1898.

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