Hi, my parents own a plot of mostly wooded land, and I want to farm it, we started cutting down trees already, and right now I'm trying to figure out what size tractor to buy, and I could also use an idea for how big the tiller. I am planning on growing mostly root crops, and the ground is almost pure clay, so it's going to need some amending. Right now I was looking at the Kubota B2320, with 17 to 18 PTO horsepower, and using a 40" rotary tiller. Is that going to be enough to cut up the sod and the tree roots? would it be worth it buying the 50", or would I need an even larger tractor then? Tilling would be the tractor's main job, for right now at least.