With the wild spring and slow, wet, cool start to the growing season, many fields did not get the early-season residual herbicides they usually would, according to the University of Nebraska — Lincoln.
Research continues to demonstrate that it is often possible to achieve high levels of disease control with a single fungicide applied between flag leaf emergence and heading growth stages.
For soil-applied herbicides, replanting can proceed whenever field conditions are feasible, but for some post-emergence herbicides, there are intervals between application and replanting, says University of Illinois Extension.
No-tillers that need to make a post-emergence application in corn that is at least 12 inches tall need to keep crop maturity cutoffs in mind when choosing an herbicide.
The primary factor in determining the appropriate spray nozzle is the product being used, as most herbicide labels specify the nozzle type or droplet size classification, says Iowa State University Extension.
Recent research demonstrates that spray volume has a greater affect on spray coverage than the type of nozzle used, says Iowa State University Extension.
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