oh yeah. the vitamin D thing cant be left out. its huge.

the little piece of property we have borders a wetland, at a little higher elevation. It has never been built on, and the soil is that kind of dense, fine grained texture that youd expect near a wetland, but it still drains, and its black. We didnt even till the soil. I covered it with geocloth to keep the weeds down, and cut out planting holes. The first year we grew food, I was amazed by how many more layers of flavor the food has. The commercially grown stuff has that sharp, one dimensional flavor. Keyed me in to how many more nutrients are involved.