Here are some figures for raising corn and it's use. Keep in mind these numbers are generalizations, but most numbers I found on the net or in books I kept to the conservative side of. Everyone with some planting space would do well to keep a bucket of seed corn in storage. It is an extremely useful plant. Corn: about 35 lbs of corn heat a house in a pellet stove for a day 26.1 pounds of corn make 1 gallon of ethanol fuel 1 acre of corn makes 328 gallons of ethanol or 8,560 pounds of corn. 1 acre of corn will heat a house (by pellet stove) for 200+ days. 1 acre of corn will feed a pig, a milk cow, a beef steer, and 30 laying hens for a year!