4 considerations for herbicide application in the fall

4 considerations for herbicide application in the fall

With corn [2] and soybean harvest [3] underway in all major producing states, farmers are thinking about herbicide [4] applications this fall. Aside from weed management, there are other factors to be considered when applying herbicide after harvest including: spring weather uncertainty, impact on soil conditions, pest interactions.


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1. Spring weather uncertainty: The probability of suitable field work days in the spring is smaller than in the fall, according to research by the University of Missouri.

2. Soil conditions: Removal of winter annual weeds with fall herbicide applications can have a significant impact on the soil conditions experienced at planting. 

3. Pest-weed interaction: Another significant issue to consider when thinking about fall herbicide applications is that many winter annual weeds can serve as alternate hosts for soybean cyst nematode (SCN). 

4. Weed management: Not all fall herbicide applications are created equal, says MU. And you shouldn’t expect control of summer annual weeds with a fall herbicide application.

Read more about these four considerations from MU when deciding to use a fall-applied herbicide. [6]


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