You might ask what the heck Kernza is? It's about sustainable agriculture. Sustainable means in short eternally renewable from within, which is without bringing in outside products.
We almost take for granted the annual winter seed buying ritual from seed catalogs. But I always thought that buying those decorative annuals for the garden was a bit of a waste, compared to perennials that come up every year again, no worries, no money, no effort. Wouldn't it be nice if our wheat came up every year again? No buying seeds, no sowing, no tilling, less effort, less money. Researchers have been working on exactly that: developing perennial varieties of our staple cereals, and Kernza is one of them.
This is thinking more in terms of permaculture (please read my previous post on it), a perennial polyculture, which is what most ecosystems look like as Mark Bittman explains in a recent article: "In perennial polyculture, the plants may fertilize one another, physically support one another, ward off pests and diseases together, resist drought and flood, and survive even when one member suffers." How does that sound for a wonderfully cooperative plant community? No Darwin here.
You can start small in your own garden by saving seeds from this year's harvest for next year's planting instead of relying on the big seed companies; or look for a local seed library for some interesting heirloom varieties. Local seed libraries (see Hudson Valley Seed Library) work collaboratively and require you to bring back some of your own seeds to keep the library replenished.
Think in renewable cycles.