Integrated Crop Management News
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Questions often arise in June about 'emergency or catch-up' fertilization for soybean. Producers wonder if fertilizer rates were inadequate or if late planting dates, replanting and cold or excessively wet conditions have altered the crop nutrient uptake and fertilization need. Read more about Is In-Season Fertilization for Soybean Effective
Stephen K. Barnhart, Department of Agronomy
Extended periods of rainfall, flooding, hail, or all of the above have producers scrambling for replant or prevented planting options. Each choice has practical and economic implications, so should be approached with some thought.
One consideration is the implication for crop insurance. Before changing crops or planting an 'emergency' forage crop, check with your crop insurance representative. Read more about Forage and Cover Crop Considerations for Delayed Planting and Flooded Sites
Pioneer is the first company to offer 'in the bag' refuge for Bt corn. While a potentially convenient benefit, some growers may find that this complicates refuge planting. NOTE: correction was made to ECB refuge distance for OAM1 after this article was published on 06/23. Read more about Refuge in a Bag is Here: Explaining the Simplified Refuge
The fundamentals of crop plant diagnostics is the focus of the 2010 Field Diagnostic Clinic July 12-13 at the Field Extension Education Laboratory. Read more about Field Diagnostic Clinic is a Return to the Basics
The Crop Management Clinic, an intensive two-day training program that focuses on the latest developments in crop production and protection, will be held July 14-15. Read more about Crop Management Clinic Features Over 20 Management Topics
By XB Yang, Linus Li, and SS. Navi, Department of Plant Pathology
Recent growing seasons have not been typical ones, and this season seems to follow this pattern. Each unusual season has unique disease problems. This year, early planted soybeans are in flowering stage and we are starting to see a different set of issues. There are three things to look for when scouting these fields. Read more about Scout for Early Summer Diseases
A web-based model helps estimate potential soybean yield loss due to weed competition. All that is required is crop stage, estimated weed-free yield potential, weed density and weed size. Read more about How Much Yield Have You Lost?
The widespread rain that has occurred across Iowa has been favorable for the development of early season disease in both corn and soybean. But from a management perspective, all of these diseases cause little if any yield loss. Read more about Early Season Diseases Showing Up in Corn and Soybean Fields