With the new iPhone 4S being released we are having at Agbizapps a sales event for the month of November and December! All apps are now $1.99... Our Corn Yield Calculator, estimates the number of bushels produced in a given field, with no internet connection required! So NO more need to stop while in the field, you can figure out how many bushels youll have on the go! Our apps are made by Farmers for Farmers...!