If you grow soybeans you are selling pounds of oil and pounds of protein, not bushels. End users buy either oil, protein or the leftover hulls.
A 60-pound bushel of soybeans contains about 11 pounds of oil, 44 pounds of meal, 3.5 pounds of hulls and 1.5 pounds of moisture.
While growers sell soybeans to elevators, these soybeans are ultimately bought by processors (crush plants) who sell oil, meal and hulls to buyers. Processors...