 So if you buy a cheap chemical fertilizer, not to name names, but when you put that down, you're going to have a huge boom of growth. Like they give a big dose of nitrogen. But one of the things that grandpa Jim figured out before it was cool was that this chemical nitrogen depletes our soil over time. And specifically you cause an unsustainable boom of microbes that deplete the carbon in your soil. And exactly how much carbon is lost per pound of nitrogen applied to the soil varies depending