Yeah your theory would be a waste of time and I don't see any way in which it would increase yield. A way to increase yield from the plant would be to take clones from it when it's in vegetative stage, so you can make them into many separate large plants, all from the same one, and flower them. As others have stated, you will have to root your clone, and that will take a while... it would be a waste of time. If you want to increase yield increase your lights.