Chemical selector
The Pesticide Selector includes suggestions for chemical control of pests in Kansas crops, which are provided by K-State Research and Extension, and may not be relevant for states other than Kansas. We will continue to expand this tool for help in selecting other types of agricultural chemicals, and for other states. Contact the myFields Team if you are interested in contributing content!
The herbicide performance ratings are taken from: C.R. Thompson, D.E. Peterson, W.H. Fink, P.W. Stahlman, and J.W. Slocombe. 2020. Chemical Weed Control for Field Crops, Pastures, Rangeland, and Noncropland, Kansas State University, January 2016. Contribution no. 16-029-S from the Kansas Agricultural Experiment Station. Find it online at the bookstore.
The insecticide recommendations are taken from: B.P. McCornack, S. Zukoff, R.J. Whitworth, J.P. Michaud, and H.N. Schwarting. 2019. Insect Management Guides. March 2018. Kansas State University Agricultural Experiment Station and Cooperative Extension Service. PDF formats are available here.
Click here for a How-to Tutorial.
Crop type: Soybean
Application type: Preplant or Preemergence
Apply in the fall, preplant, or preemergence to soybean for burndown and residual control of pigweeds, kochia, and other broadleaf weeds. The lower rates are for coarse-textured soils with low organic matter, and the higher rates are needed on fine-textured soils with higher organic matter content. May be tank mixed with glyphosate for improved grass burndown activity, or with 2,4-D or dicamba for improved broadleaf control.
Apply preplant or preplant incorporated up to 60 days before planting or preemergence to soybean. Add COC for enhanced burndown of existing weeds in no-till. Controls yellow nutsedge and several broadleaf weeds including pigweeds, morningglory, and black nightshade. Do not rotate to wheat for 4 months; field corn for 10 months; sorghum for 10 to 18 months; or alfalfa for 12 to 18 months after application.