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Late Season Herbicide Use fact sheet
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D r A N O e L A m m e : O T O H P Residues: Late herbicide applications to crops increase the risk of detectable herbicide residues in harvested grain, potentially leading to breaches of maximum residue limits (mrLs)... Paraquat is not registered for: in-crop spray topping; pre-harvest crop desiccation; under-the-cutter-bar spraying during swathing or windrowing activities; pre-harvest weed control; spraying over the top of swaths or windrows.. The MRL for a product in a certain crop is calculated on the registered maximum label application rate, so it is important that spray equipment is carefully calibrated to ensure the product is applied at the appropriate rate and use pattern...