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A device for measuring soil frost

Informally Refereed
Authors: James H. Patric, Burley D. Fridley
Year: 1969
Type: Research Note (RN)
Station: Northern Research Station
Source: Research Note NE-94. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 7p.

Abstract

A water-filled plastic tube buried vertically in the soil in a copper casing permitted repeated observation of frost depth without damaging the sampling site. The device is simple and inexpensive and provides data on soil freezing at least as accurate as direct observation by digging through frozen soil.

Citation

Patric, James H.; Fridley, Burley D. 1969. A device for measuring soil frost. Research Note NE-94. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 7p.
https://www.fs.usda.gov/research/treesearch/10494