Generally there is no yield decrease between no-till and conventional tillage soybean. However there are some soils where tillage may be necessary. Also, in the north, tillage may lead to early panting due to early soil warm-up.
“For more information on this or other topics related to soybean production, contact your state extension specialist or your local extension educator/agent.”
The following is the link to the soybean extension specialists: state extension soybean specialist
