IC-496 (5) -- April 3, 2006

Crop Production

Roundup(R)-tolerant alfalfa likely to be used in Iowa this year

USDA-APHIS and EPA have granted approval.
Weed Management

Now's the time to control biennial weeds

Includes herbicide table.
Crop Production

Soybean planting date

Is there a yield benefit to planting early?
Crop Production

Evaluating the spring alfalfa stand

Winter injury may affect alfalfa.
Insects and Mites

Winter temperatures and soybean aphid survival

Can aphids survive Iowa winters?
Crop Production

Iowa Noxious Weed Seed Free Forage and Mulch Program announced

Certify that hay and mulch are weed-free.
Crop Production

Soybean seed quality in 2006

Last year's drought may affect seeds.
Plant Diseases

Early season disease management in soybeans

Warm, wet soil favors damping off and seed rot.
Crop Production

Is tillage needed for your soybean crop?

Research results are presented.

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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.