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J. DeJong-Hughes, J. F. Moncrief, W. B. Voorhees, and J. B. Swan
Copyright ©
2001 Regents of the University of
Minnesota. All rights reserved.
SECTION I:
SOIL COMPACTION - CAUSES AND CONSEQUENCE....
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....3
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What is soil compaction?
Myths about soil compaction
What are the consequences of soil compaction for plant growth?
What causes soil compaction?
Effect of soil moisture and axle load on depth of compaction
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SECTION II:
SURFACE COMPACTION....
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....7
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Density effects due to tillage
Plant response to surface compaction
Erosion
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....10
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Plant response to subsoil compaction
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....11
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Avoidance
Tracks vs. Tires
Alleviation
Subsoiling
Controlled Traffic
Acceptance
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....14
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....15
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About the Authors
Jodi DeJong-Hughes is an Extension Educator for Northwest Minnesota with the
University of Minnesota West Central Research/Outreach Center, Morris, Minnesota.
John Moncrief is an Extension Soil Scientist - Tillage, Department of Water, Soils
& Climate, University of Minnesota Extension Service.
W. B. Voorhees is a Soil Scientist with the North Central Soil Conservation Research
Laboratory, USDA-Agricultural Research Service, at Morris, Minnesota.
J. B. Swan is a retired Extension Soil Scientist, University of Minnesota Extension
Service.
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Produced by Communication and Educational Technology Services, University of
Minnesota Extension.
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