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Selecting a tillage system is one of a crop producer's most important management decisions. Conservation tillage reduces preplant tillage operations, thus reducing soil erosion and saving on labor and fuel. Consider the advantages and disadvantages for various tillage systems and match them to your field conditions.
Iowa State University Extension and Outreach
Agricultural and Biosystems Engineering, Crops, Equipment and Machinery
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Hanna, H. Mark, "Conservation Tillage: Planning" (1990). Agriculture and Environment Extension Publications. 103.