Spring Discing – John Deere 4440 May 30, 2013 by farmlifetoday How Farms WorkThu, May 30, 2013 2:12pmURL:Embed:I disk what will be corn this year. Become a bro ► http://bit.ly/XYVvDd Facebook ► http://on.fb.me/YpS8oH Donate ► http://bit.ly/DonatetoHFW