Restoring the American chestnut

(American Society for Horticultural Science) Scientists performed four experiments in which they examined vessel type, hormone, activated charcoal concentrations, and using a vermiculite substrate to improve the post-rooting stage of an American chestnut propagation protocol. They recommended using semisolid post-rooting medium containing activated charcoal and humic acid in disposable fast-food takeout containers. A trend evidenced across the experiments was that activated charcoal enhanced roo...