Ryan,

Soybeans require lots of phosphorous and potassium.  Depending on the site, they may also require some of the micronutrients such as boron, etc.  To get the best yield, I always take a soil sample and submit it to a soil lab for fertilizer recommendations.  This is the only sure way to know how much and what type of fertilizer to use.  It is usually less expensive, and certainly more productive, to pay for a soil test and apply just the right amount of fertilizer than to guess.  If you guess you risk not using enough which results in a crop that is less productive and attractive to deer or using too much and more leaches through the soil than is used by the plants.  The lab can help you best if you tell them what crop you are fertilizing and that you want a recommendation to produce a maximum yield.

With that said, it’s a bit late to get a soil test for the current crop, so I’d add at least 300 pounds of 6-24-24 which is usually available at local MFA stores.

Growing Deer together,

Grant