How do I control perennial vegetation (sumac, milkweed, dogbane, etc.) in no-till corn?
Each weed species may require a different control method. In general, control of perennial vegetation in no-till corn usually involves repeated treatment with Banvel (or Banvel plus 2,4-D) or spot application with Roundup. Fall applications of Roundup or Banvel are generally more effective than spring or summer treatments, and must be made before the first killing frost. When perennial weeds become a serious problem in no-till corn, the best solution is to rotate to soybeans and then to control these weeds with a different group of herbicides. 8. What can be used to control broadleaf weeds in corn on very high organic matter soil? There are very few soil applied herbicides that can be used to control broadleaved weeds in organic soils. In most situations of this type, you must depend on postemergent herbicide programs: target specific weeds with specific post-emergent chemicals. 9. Considerations and concerns in the selection and use of spray adjuvants. In general, use only the adjuvan
