Using ethofumesate when irrigating for emergence
by Andrew Kniss & Abdel Mesbah At a recent meeting in Powell, I was asked how to best use ethofumesate (active ingredient in Nortron SC and other herbicides) in fields that must be furrow irrigated for sugarbeet emergence. This is a difficult question. Ethofumesate (and almost all soil applied herbicides) require soil moisture to be effective. Ideally, residual herbicides should be applied to the soil shortly before either rainfall or overhead irrigation. Growers who have sprinkler systems in their field …
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