i thought about trying the bubblebuckets this summer but never got around to it. i saw some good stuff on it, i think it was on gardenweb. they supposedly produce 3 times what a normal soil plant would. ive heard of milk fed pumpkins before, where thy slice a vine before the pumpkin and wrap it with a gauze or something then set the wounded spot in a bowl of milk daily. thats how some of those gigantic veggi farmers do it. it only works for the one pumpkin that you are treating, not the whole plant.