Big experiment. The last 200 tomato seedlings were started only three weeks ago, way late compared to starting dates in the past. They were also quite crowded in 200-cell trays. Now, I’m transplanting them to 38-cell plug sheets, maybe a little over half the volume of the usual 3″ pots. The experimental part is whether they’ll produce as fast as the rest, which were started earlier and are now in bigger pots. I suspect so (or I wouldn’t be trying it!), but you never know. You can get only so much info and advice before you just have to see for yourself (I’ve read that only special extra deep pots makes a difference, a few weeks of extra growth before transplanting doesn’t). I think I’ve been spending too much time producing seedlings that look great if they were for sale, but are unnecessarily big for setting out in the field. If this works out, I’ll save a ton of time next year.