Purdue University's Center for Commercial Agriculture lists recent corn and soybean outlook videos and reports. The page covers USDA March Prospective Plantings, the March WASDE, and 2021 farm program election deadlines.
It is a resource index rather than a new development, so it adds little new information on supply or price direction.
After 770 past neutral report events, Corn moved a median +0.2% over 5 sessions (54% higher; middle half -1.1% to +1.6%), and +0.7% over 20.
After 563 past neutral report events, Soybeans moved a median -0.1% over 5 sessions (48% higher; middle half -1.7% to +1.6%), and -0.1% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.