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Subsoiling Effects on Moisture Content and Bulk Density in the Soil Profile

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Applied Engineering in Agriculture. 5(1): 24-28. (doi: 10.13031/2013.26471) @1989
Authors:   H. Bernier, G. Bostock, G. S. V. Raghavan, R. S. Broughton
Keywords:   Soil compaction, Soil moisture, Subsoiler, Wheel traffic

The capacity of a winged subsoiler to modify the physical characteristics of compacted soil layers was studied in sandy loam and clay loam plots subjected to 0 and 1 subsoiler pass, and 0, 1 and 2 subsoiler passes, respectively. The depth of loose soil, dry bulk density and soil moisture content were used as indicators. U-shaped soil disturbance patterns were observed. It was found that subsoiling compacted the top soil while loosening the subsoil. Both effects were more extreme after two passes.

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