In this particular case, the correct answer is the obvious one: very, very carefully. Oh, and you might want to use a really big tractor. The overall winner at this year's 'Giant Pumpkin Contest' came in at a mind-blowing 620 pounds!
Growing a giant pumpkin can create quite a dilemma. What do you do with the gargantuan thing when it's time to get rid of it? You could spend the rest of the year baking pumpkin pies. You could carve the neighborhood's largest jack-o-lantern. Or, you could really have some fun and do this.