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University of Wisconsin-Extension

Weeds

▶ Machinery in Diversified Vegetable Systems

▶ Machinery in Diversified Vegetable Systems

This article walks through the different parts of and considerations around calibrating and using a backpack sprayer in diversified vegetable systems. 

▶ Combine Cleaning: A Simple Step to Reduce Weed Seed Dispersal

▶ Combine Cleaning: A Simple Step to Reduce Weed Seed Dispersal

Rodrigo Werle, Extension Weed Scientist and Daniel H. Smith, Nutrient and Pest Management Program Manager, demonstrate where weed seeds hide in a combine and how to clean a combine for weed seed management.

Johnsongrass in Wisconsin

Johnsongrass in Wisconsin

Johnsongrass, a highly invasive perennial grass that invades and impacts agricultural and natural areas throughout the United States, is popping up in southern Wisconsin along roadsides, agricultural fields and recent restoration activities. Learn how you can help monitor the invasive species.

▶ Backpack Sprayers in Diversified Vegetable Systems

▶ Backpack Sprayers in Diversified Vegetable Systems

This article walks through the different parts of and considerations around calibrating and using a backpack sprayer in diversified vegetable systems. 

▶ Considerations for 2026 Seed Selection

▶ Considerations for 2026 Seed Selection

Josh Kamps covers hybrid and variety trial data for corn, soybeans, and small grains, pest and disease management considerations, herbicide resistance, and scouting strategies.

▶ Spraying Is Easy, Doing It Right Isn’t: Tips for Better Herbicide Applications

▶ Spraying Is Easy, Doing It Right Isn’t: Tips for Better Herbicide Applications

Dr. Tommy Butts breaks down the complexities of herbicide application and shares expert tips to help applicators improve coverage, reduce drift, and make smarter nozzle choices.

▶ 2025 Corn and Soybean Weed Management: Field Observations and Research Updates

▶ 2025 Corn and Soybean Weed Management: Field Observations and Research Updates

In this video, Dr. Rodrigo Werle shares 2025 field observations and research updates on corn and soybean weed management in Wisconsin.

Herbicide rotational restrictions, weed control, and cereal rye for forage

Herbicide rotational restrictions, weed control, and cereal rye for forage

Cereal rye can be used as high-quality forage for livestock, but careful management of herbicide rotational intervals is essential to ensure legal and effective use.

2025 Pest Management in Wisconsin Field Crops (A3646): A guide to managing weeds, insects, and diseases in corn, soybean, forages, and small grains

2025 Pest Management in Wisconsin Field Crops (A3646): A guide to managing weeds, insects, and diseases in corn, soybean, forages, and small grains

This annually updated reference guide is one convenient source for management information on the key pests of corn, soybean, forages, small grains, and stored grains and provides targeted information for Wisconsin growers.

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