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  • 2021 Iowa Herbicide Guide now available0

    The 2021 Herbicide Guide for Iowa Corn and Soybean Production is now available as a free download at the ISUEO Extension Store. In addition to numerous tables providing information on the myriad of herbicides for use in corn and soybean, the guide contains articles on volunteer corn management, update on dicamba labels for use on

  • What’s New for Weed Control in Corn and Soybean in 20210

    The following is a brief summary of new products available for weed control in corn and soybean in 2021. None of these are new sites of action herbicides, but are new premixes or revised formulations of existing active ingredients. With growing concerns of weeds developing resistance to herbicides, especially waterhemp with confirmed 4-5 way resistance

  • The Planter “Pre-Flight” Checklist0

    Before heading to the field this season, there are some maintenance items on your planter that you should consider addressing. Some items can be done in the off-season in the shop while others should be addressed in your first field. Follow this checklist to make sure that your tractor and planter are in optimum condition

  • Will a dicamba-resistant waterhemp be resistant to 2,4-D (and vice versa)?5

    Reliance on synthetic auxin herbicides (HG 4) has increased following the introduction of dicamba and 2,4-D resistant soybean. A common question among users of these products is: “If I use one trait repeatedly and select for resistance to that herbicide, will I be able to switch to the other trait to control the resistant population?”  I did


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