 Okay, when we buy commercial fertilizer, you're just getting potash and nitrogen and potash, nitrogen, and the other one. It's the two C's and the N. I can't remember what the other one is right now. I'm an old guy like Biden. That's all you get. You get three. When you get chicken manure, you're getting nickel, tin, copper, iron. What is it about chickens that produce that, do you know? They're fed that.