Maximum Yield USA 2015 January | Page 150

Aquaponics for the Frozen Tundra An insulated and framed grow bed. Leaf Zone: This varies even more dramatically than the root zone does. Some plants require temperatures that never drop below 50°F, while others tolerate temperatures as low as 5°F without serious damage. Humidity also matters a great deal, as we’ll learn next month. Everything Else: This includes everything outside the aquaponic system. In a greenhouse, it includes the area above and around the plants. It includes the area you walk around in and where you store fish feed and tools. From a thermal perspective, the only time this area has any requirements at all is when you’re there, which generally only occurs during the day. Unless, of course, your aquaponic system includes a hot tub (which I highly recommend). Put Up Barriers in your Relationships Has anyone ever heard the following )