A simple and cheap field method for determining the porosity of the soil and its filtration coefficient is considered. Graphs are presented for the direct determination of these parameters by the depth of a puddle of liquid on the surface of dry soil, the time of complete absorption of this liquid into the soil and the time of half absorption, during which the depth of the puddle decreases by 2 times. Simplified techniques are presented that allow us to limit ourselves to measuring the initial depth of the puddle and the time of its complete absorption and allow us to obtain an approximate estimate of the filtration coefficient with an accuracy of factor 2.
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Bukhman et al. (2024) studied this question.
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