Product Q&A

Answer:

Per the product label on page 8, for applications of applying Gowan Sonalan HFP Herbicide alone:  Apply and incorporate Sonalan® HFP herbicide in the spring before planting or in the fall. Fall application may be made only with dry bulk fertilizer. See instructions for fall application of Sonalan HFP under the heading Application Timing in the Product Information section of this label. Follow soil preparation, application, and incorporation procedures specified in the Product Information section of this label.

Please review the Special Rotational Crop Restrictions for the States of Montana and Wyoming below:  Plant only rapeseed (canola), safflower or sunflower as rotational crops in the crop year following the crop treated with 3 pints of Sonalan HFP per acre. In addition to rapeseed (canola), safflower or sunflower, spring seeded barley grown under irrigated conditions can be planted in the crop year following the crop treated with a 2 pint of Sonalan HFP rate per acre. If one of these specified crops is not planted, the land should be left idle or fallow for the entire year following the crop treated with Sonalan HFP.
 

Answer last updated on: 05/06/2021

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