The following publications are from Iowa State University Extension and have been included in Brian Lang’s Crop Notes.  You can check out past Crop Notes at:  http://www.extension.iastate.edu/winneshiek/info/crops.htm

Insect Pest Information

• Aphid Trends NE IA 2002 2010.pdf
• Armyworm.pdf
• Cereal Aphids.pdf
• Estimating soybean defoliation.pdf
• Bird Cherry Oat Aphid.pdf
• Green Clover Worms in Soybeans.pdf
• Is It Japanese Beetle in the Field or Something Else.pdf
• Japanese Beetles Are Back.pdf
• Potato_Leaf_Hoppers_in_Hay.pdf
• Scouting_European_Corn_Borer.pdf
• Slugs in Corn and Soybean.pdf

Crop Disease Information

• Brown stem rot and sudden death syndrome.pdf
• Brown_Spot_&_Bacterial_Blight.pdf
• Ergot.pdf
• White Mold.pdf

Fertility Information

• Anthracnose & K Deficiency.pdf

Cover Crop Information

• Cover Crops.pdf

Crop Residue Information

• Estimating the Value of Corn Stover.pdf
• Removing Crop Residue Removes Nutrients from the Field.pdf