Wat is Crush spread?

The crush spread is the value of the meal and oil from one bushel of soybeans minus the price of the bushel. At the exchange’s conventional yields of 44 pounds of meal and 11 pounds of oil per 60-pound bushel it is, in dollars per bushel, $0.022 \times P_{\mathrm{meal}} + 0.11 \times P_{\mathrm{oil}} - P_{\mathrm{beans}}$, with meal in dollars per short ton and oil in cents per pound.