Siiiiiigh...I didn't properly mix the soil improver, so now there's a good chance it will burn the roots. Toworrow morning I'll try to further mix the soil -with the plants already in it- with my hands (luckily I didn't compact it with all my weight, just some hand pushing) without taking out the plants. I don't have time to take them out anyway, and they're already tied to the support. Let's hope I can mix things a bit with my hands and keep the depth of the plants OK that way.

It will be cold tomorrow morning, not ideal weather for "bare hands wrist deep in soil" action. But it'll only get worse after tomorrow.