Here in Michigan we are coming to the end of our regular dirt garden growing season, with exception of cool weather crops, this includes tomatoes.
An interesting observation I made tonight, I hoped to take some pictures but it was too dark when I finished for the evening. I have begun pulling some of the tomato plants, getting ready to heavy mulch this area or plant some green manure crops, and noticed as I pulled each plant from the soil, the original seedling tray rectangle was still very noticeable in nearly 90% of the plants. What we did was deep dug our maters, taking advantage of the plants ability to shoot roots from high up its stalk which gives it great advantage in hardening off, quick to produce etc. Anyways, nearly all of the root mass was above the seedling tray rectangle. I will try to post a few pics tomorrow.
I know this has little to do with traditional AP systems so I posted it in case someone was interested in seeing what happened.
The cool thing was we have had a bumper crop of tomatoes. We planted over 100 tomatoes, only 7 -9 varieties, most of which were Romas. We will plant our dirt tomatoes this way for now on.