Phoenix Zoo grows hydroponic Magic Meadow for feed
The Phoenix Zoo in Glendale unveils 84 plastic trays called a Magic Meadow grown hydroponically. Barley grass yields 28 to 30 pounds weekly per tray, totaling 45 to 50 tons annually, with all feed aimed at herbivores and birds. The $6000 chamber was donated by Carefree residents including Hugh Downs.