Iowa Soybeans: Frost Damage – What to Expect Oct 17, 2019
Temperatures fell into the low 30’s and upper 20’s in most of Iowa over the weekend of October 11-13. Because of the very late planting season, there were some crops […]
The spread of multiple-resistant weeds threatens Iowa’s production system. In order to slow the expansion of resistance, greater diversity in weed management is necessary.
Fall Burndown: 3 Points To Remember Oct 1, 2019
The plentiful rain in September has provided ideal conditions for establishment of winter annual weeds, thus many no-till fields will have dense stands of these weeds going into winter (Fig. […]
As harvest approaches, Iowa State University will conduct a statewide survey to collect waterhemp seeds produced by plants in corn/soybean fields as well in field edges.
Iowa: Palmer Pigweed – Time to Scout Aug 2, 2019
Now is a great time to scout for Palmer amaranth (Amaranthus palmeri) in Iowa crop fields. As of late 2018, this species had been identified in over half of Iowa’s […]
Corn, Soybeans: Do You Know Your Crop Growth Stages? Jun 21, 2019
Staging crops is an underappreciated but incredibly important skill. One very important reason to know how to stage your crops is because herbicide products may have limits on what growth […]
Iowa: Weed Science Field Day, Ames, June 27 Jun 17, 2019
Join the ISU Weed Science Program at the 2019 Herbicide Research and Demonstration Program Field Day on Thursday, June 27. The field day will be at the Curtiss Farm on South State Street […]
With so much of the planting season left ahead of farmers this spring, it can be hard to focus on the few corn acres that are in — but they […]
As of May 20, an estimated 27 percent of Iowa’s soybean crop is planted according to the USDA-NASS Iowa Crop Progress Report. Early-planted soybeans have been exposed to stressful conditions following […]
As everything greens up, we often receive photos of mystery plants for identification. Typically, I get a wide range of species via email or text message. This spring, more than […]