I especially loved the aquaponics. Tilapia are being farmed in a four foot deep plastic-lined trench, which capitalizes on the geothermal effect of the soil, below trays of watercress, a popular microgreen destined for area restaurants. Water is pumped through the watercress for filtering and back to the fish while also fertilizing the watercress with the fish waste. Worm casings from the vermiculture (worm composting) are also fed to the fish. At Growing Power they take some of the partially composted wood chips and food waste material and give the worms a crack at it which they work through much faster that through fresh foodwaste which is what I have been accustomed to feeding them. Then the worms very quickly produce the rich fertilizer-grade compost that can be diluted for a soil additive or sold in bags as a powerful fertilizer. This answered my question about what was really so great about worms since mine took a very long time to digest what I gave them. The tilapia ponds and watercress operation runs the length of the greenhouse and are expected to produce 30,000 fish!
This set-up creates a very warm and humid environment perfect for growing other vegetables and even fig, avocado and banana trees, yes, year-round. Growing Power also has several gardens in Chicago, in Grant Park, in Jackson Park and one in Cabrini Green where they put 18" of composted soil directly over an old basketball court to create an instant garden. Lots of workshops and trainings are offered on every aspect of the process from growing to marketing, to strategic partnerships.
Will Allen is truly growing food, growing consciousness, and growing community. He says: "The Good Food Movement is now a Revolution."
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