IC-498 (4) -- April 2, 2007

Insects and Mites

Alfalfa weevil predictions for Iowa, 2007

Hatching has started in southern Iowa.
Insects and Mites

The Bt corn refuge: Is it really necessary?

Marlin Rice examines this question.
Crop Production

New tool to help Iowa's soybean producers

Question and answer section added.
Crop Production

Corn planting: Consider soil temperature and date

Corn planting could be later this year.
Plant Diseases

Manage soybean diseases with planting

How planting dates affect major Iowa soybean diseases.
Crop Production

Crop acreage shift in Iowa and the United States

Across the nation, corn is up and soybeans are down.
Crop Production

Soybean seeding rates: The balance between cost and yield

Study changes seeding rate recommendations.
Crop Production

Early planting of soybean is very important

Research results are reported.
Degree Days

Time to plant? Getting close!

Find the soil temperature for your area.
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Some of the articles contain pesticide recommendations that are subject to change at any time. The recommendations provided in these materials should be used only as a guide. It is always the pesticide applicator's responsibility, by law, to read and follow all current label directions for the specific pesticide being used. Due to constantly changing labels and product registration, some of the recommendations given in these writings may no longer be legal by the time you read them. If any information in these recommendations disagrees with the label, the recommendation must be disregarded. No endorsement is intended for products mentioned, nor is criticism meant for products not mentioned. The article's author, Iowa State University and Iowa State University Extension assume no liability resulting from the use of these recommendations.