Weed management is primarily dictated by herbicide resistance. Mechanisms of resistance and ways to optimize herbicide use and include other management options are discussed from the 2018 Corn and Soybean Congress.
“The most effective analyses include soil testing, plant tissue analysis, and nitrate testing.”
The CNRC is an online tool that allows determination of N application rates for corn production.
The question of what impact dicamba drift might have on milkweed populations is addressed.
Weed more than nuisance for soybean