Parveen Kaswan, IFS on X: "This is a brilliant idea. Root trainers are used for raising saplings in nurseries instead of plastic pots. They reduce root coiling & does air pruning. But
Deep Rootrainer – Greenhouse Megastore
45 Cell Deep Rootrainer Plug Plant Seed Tray Root Trainers Tree Trays Qty = 2 | eBay
Deep Rootrainer
Garden gadgets, - Root trainers, worth it or not? - Plantpassion
Haxnicks Compact Rapid Rootrainers - Bloomling International