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
Root trainer technology to improve growth and development of rubber seedlings
Easiest Way to Wash Root Trainers - Tuesday Tips - YouTube
Amazon.com: Tierra Garden 50-9000 Haxnicks Rootrainers Seed and Cutting Propagation Kit - Deep : Video Games