 Now, you mentioned earlier about, I know when Larry's here, he's talked about the Johnson grass, testing that. Yeah, we test it for nitrates. How important is that right now? I would say very. I mean, if your Johnson grass is high in nitrates and your cattle get in it, I mean, they die almost instantaneously. So, I mean, you want to make sure that you're getting that tested before you just send a bunch of cattle out on a... I mean, last year, I think Larry said...