Iowa averages about 200 bushels/acre for corn, and a bushel is 56 or 70 lbs. (depending on if it's kernel or cob). So, somewhat less than an intensive field cr

Iowa averages about 200 bushels/acre for corn, and a bushel is 56 or 70 lbs. (depending on if it's kernel or cob). So, somewhat less than an intensive field crop, but the same order of magnitude.