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The Effect of Wetting Agents on Infiltration¹

ABSTRACT

Laboratory studies conducted on the effect of wetting agents on infiltration rates indicated that (1) a wetting agent can increase infiltration rates into hydrophobic soils but have either no effect or adverse effects on soils which are not particularly hydrophobic; (2) the wetting agents used in the study produced a beneficial residual effect; and (3) the wetting agent is not completely leached from thatch.

¹ Contribution of the Department of Irrigation and Soil Science, University of California, Los Angeles. Presented before Div. I and VI of the Soil Science Society of America, Nov. 28, 1961, at St. Louis, Mo. The work is part of California's contributing project to Western Regional Project W-32.

² Laboratory Technicians and Assistant Professor of Soil Physics, respectively.

Received for publication January 3, 1962. Accepted for publication April 24, 1962.