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Description: An experiment was performed to examine the soil disturbance and loosening associated with deep subsoiling in compact soils. The treatments were subsoiling with and without wings at depths of 0.32,0.52 and0.72 m. The experiment was performed in both a Fundy clay soil and a Fredericton Research Station sandy loam. The results confirm the existence of a critical depth, below which little soil loosening occurs, in both soil types and a difference in the critical depths in the two soils. The results also show that the 26-cm-widewings had no advantage over the 7.5-cm share in terms of area of soil disturbed when operating above the critical depth. The wings did, however, significantly increase the critical depth in both soils. The wings also significantly improved the reduction in the dry bulk density of the clay soil.

Keywords: soil disturbance associated with deep subsoiling in compact soils
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Citation: Owen, G.T. 1988. SOIL DISTURBANCE ASSOCIATED WITH DEEP SUBSOILING IN COMPACT SOILS. Canadian Agricultural Engineering 30(1):33-38.
Volume: 30
Issue: 1
Pages 33 - 38
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Date: 1988
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Coverage: Canada
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