Sampling soil Photo credit: Kansas State University

Links

Soil Management and Envrionment website - Iowa State University

Soil Fertility Fact Sheet - Iowa State University

Soil compaction

Soil Compaction, Causes, Effects and Control. University of Minnesota

Understanding and Managing Soil Compaction - Iowa State University

Soil Compaction, Problems and Solutions. Kansas State University (pdf)

Soil Compaction, Causes, Concerns and Cures. University of Wisconsin (pdf )

 

Tillage

Factors to Consider when Making Tillage Decisions - University of Minnesota

Residue Management and Cultural Practices - Iowa State University

Tillage Considerations for Disease Management  - Iowa State University

Can Residue Be Managed Successfully with No-Till? - Iowa State University

Fall Strip Tillage Systems: An Introduction - Ohio State University Fact Sheet AEX-507-00

 

Iron deficiency chlorosis

Is it potassium or iron deficiency? Iowa State University

Iron chlorosis shows up Iowa State University

Soybean Production Handbooks and Resources

Increase your yield by managing soybeans from the ground up - NCSRP (pdf)

Kansas Soybean Production Handbook (pdf)

Soybean Production - North Dakota State University

Minnesota Soybean Field Book (pdf) University of Minnesota

Soybean Production Ohio State University

Soybean Research and Extension (website) University of Wisconsin