Planting Date and Maturity Group Considerations Moving into a Potentially Early Spring 2017

Day length

Figure 1. Blue lines represent day length at various latitudes. Most WI soybeans are grown between 43 and 45 degrees latitude. The vertical lines represent the time spent from R1 through R6 for May 1st (Green Lines) and June 1st (Orange Lines) planting dates. WI soybeans are mainly grown between 43 and 45 degrees latitude.

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