IC-498 (5) -- April 9, 2007

Insects and Mites

Scout first and then decide: Using economic thresholds for alfalfa weevils

Includes economic thresholds and available insecticides.

Wet soils and potential compaction

Field operations will not achieve their objectives if soil moisture conditions are not suitable.

Corn Nitrogen Rate Calculator Web tool update

Twenty-seven additional response trials added.
Crop Production

Corn seeding rates and variable-rate seeding

Over the past 50 years, seeding rates have increased annually.

Lamkey is new Iowa State University Department of Agronomy chair

Wendy Wintersteen announces appointment.
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