air pruning pots

I used Rootmaker’s air-pruning propagation system for the first time this winter and wanted to offer my observations/notes in case they may be of help to others. Overall, I was quite pleased with the root branching exhibited for most seedlings and found the trays worth the cost vs. non-air...

Why are standard nursery/regular pots more popular than air pruning pots, in bonsai & gardening ? And this is a general observation, not specific to any location or country. Shouldn't the air pruning pots be the default standard everywhere, specially at pre-bonsai nurseries and tree nurseries ...