It’s hard to imagine maintaining the current food system without Iowa. Yet that state — symbolic of both the unparalleled richness of our continent’s agricultural potential and the mess we’ve made of it — has undergone a transformation almost as profound as the land on which cities have been built. A state that was once 85 percent prairie is now 85 percent cultivated, most of that in row crops of corn and soybeans. And that isn’t sustainable, no matter how you define that divisive word.
It’s easy enough to argue that one of the most productive agricultural regions in the world could be better used than to cover it with just two crops — the two crops that contribute most to the sad state of our dietary affairs, and that are used primarily for animal food, junk food and thermodynamically questionable biofuels. Anything that further entrenches that system — propped up by generous public support — should be questioned. On the other hand, if there are ways to make that core of industrial agriculture less destructive of land and water, that is at least moving in the right direction.
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