If all of the milo goes down and you don't have many green leaves or green stalks, you will probably do OK cutting it on the ground. You will run over the heads that are laying on the ground. However, if you have standing milo in spots, it can really slow you down. The reel beats on the standing heads and the green material takes a lot of HP and grain rides out the back stuck to the wet MOG. It's a mess. You would like a JD row head much better. You just pick it up in spots.