▶ Managing Waterhemp in Spring Alfalfa Seedings
Dr. Mark Renz shares research-based guidance for managing waterhemp in spring-seeded alfalfa.
Badger Crop Connect
The Badger Crop Connect series is developed by University of Wisconsin-Madison Division of Extension educators and specialists, and provides agronomists, crop consultants and farmers timely crop updates for Wisconsin.
Articles
▶ Late Season Weeds and Controlling Weed Escapes
Dan Smith discusses late-season weed management and practices to control weeds, starting with cleaning combines after harvest this year.
▶ Can Clover Cover Crops Provide Nitrogen Credits to Corn?
Chris Bandura explores Wisconsin research on berseem clover and other legume cover crops, how nitrogen credits are calculated, and what farmers should consider when using cover crops to support crop nutrition and improve nitrogen use efficiency.
▶2026 Mid-Season Wisconsin Ag Weather Recap and Outlook
Josh Bendorf gives a mid‑summer weather update that reviews spring temperature and precipitation trends, drought conditions, crop progress, soil moisture levels, and what current forecasts could mean for the rest of the growing season.
▶2026 Mid-Season Wisconsin Field Crop Disease Update
Dr. Damon Smith gives a mid‑season update that covers tar spot in corn, white mold in soybeans, wheat disease risks, fungicide timing, and the first confirmed case of red crown rot in Wisconsin.
▶ Updates to A2809: 2026 Wisconsin N, P, and K Recommendations for Corn and Soybeans
Dr. Matt Ruark discusses what’s changing in Wisconsin nutrient management guidelines for corn and soybeans.
▶ 2026 Wisconsin Post-Emergence Corn and Soybean Weed Control
Dr. Rodrigo Werle discusses why post‑emergence weed control is critical for protecting yield in corn and soybeans.
▶From Soil Sensors to Nitrogen Decisions: New Technologies for Wisconsin Agriculture
Dr. Jingyi Huang explores emerging sensor technologies that measure soil nitrate, moisture, and temperature to help farmers better understand nitrogen availability, nutrient losses, and crop needs throughout the growing season.
▶Determining In-Season Nitrogen Availability: Indicators of Nitrogen Need
Dr. Natasha Rayne shares UW–Madison research exploring manure nitrogen availability, soil nitrate testing, crop sensing technologies, and environmental factors that influence in‑season nitrogen decisions.
▶ Early-Season Corn: Challenges and Opportunities
Dr. Harkirat Kaur examines early‑season corn planting decisions in Wisconsin, focusing on opportunities to maximize yield and risks that can affect stand establishment.
▶ Agronomic Pivot Points for Mid-May Planted Soybeans
Dr. Shawn Conley discusses agronomic decisions for soybeans planted in mid‑May in Wisconsin.
▶ 2026 Wisconsin Insect Pest Outlook
Dr. Emily Bick reviews key field and forage crop insect pest issues from 2025 and what to watch for in the upcoming 2026 season.