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
Authority MTZ is a premix of 27% metribuzin and 18% sulfentrazone. Can be applied preplant in the fall or spring or preemergence until 3 days after planting. Primarily controls yellow nutsedge and broadleaf weeds including kochia, waterhemp, Palmer amaranth, morningglory, velvetleaf, and black nightshade. Do not use on coarse-textured soils or soils with less than 1% organic matter. Do not rotate to wheat for 4 months; corn for 4 to 10 months; alfalfa, sorghum, or sunflower for 12 months; cotton for 18 months; or canola for 24 months after application.