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Entrapped Soil Air in a Field Site¹

ABSTRACT

Soil air was entrapped at 50–100 cm of water pressure in a wooded field site due to infiltrating water. The air was expelled through piezometer tubes for 2 or 3 months following spring rainfall. Seven additional sites did not exhibit this phenomenon, which appears to be caused by a favorable combination of soil and vegetative factors.

¹ Contribution, Division of Lands and Soils, Ohio Dep. of Natural Resources, Columbus; and the Agronomy Dep., Ohio Agr. Res. & Devel. Center, Wooster.

² Respectively, soil resource specialist and party chief; soil resource specialist, Ohio Dep. of Natural Resources; and Professor of Agronomy, Ohio Agr. Res. & Devel. Center and The Ohio State University.

Received for publication February 24, 1969. Accepted for publication April 14, 1969.