Outlook for high-yield agriculture is not good.

Let’s see, it was going something like this when the thread, having jumped off the highway, went deep into the woods:

It wasn’t really about high-yield ag, I just felt like sniping, since phosphate runoff is one of those things conservationists get bothered about all the time. We use a truly crazy (and unsustainable) amount of phosphate, and get a crazy amount of pollution. Hopefully someone will find a better way soon.