

using controlled traffic lanes, and using permanent beds
SOURcES
(that are never driven on) are ways to avoid compaction.
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Also, reduced tillage and larger organic matter additions
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make the surface less susceptible to the breakdown of
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aggregates and to crust formation—as does maintain-
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Service Publication AF 115. Manhattan: Kansas State University.
ing a surface mulch and routine use of cover crops.
Moebius, B.N., H.M. van Es, J.O. Idowu, R.R. Schindelbeck, D.J.
Reducing compaction once it occurs involves using cover
Clune, D.W. Wolfe, G.S. Abawi, J.E. Thies, B.K. Gugino, and R.
crops that are able to break into subsurface compact
Lucey. 2008. Long-term removal of maize residue for bioenergy:
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layers and using equipment such as subsoilers and zone
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builders to break up compact subsoil.
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Building SoilS for Better CropS: SuStainaBle Soil ManageMent