Escondido fish poop helping feed the world
Today, surrounded by freezing temperatures, thousands of heads of lettuce grow, nestled in a cozy greenhouse fed by nutrient-rich nitrates. Or you could call it what it is: fish poop. The process, called aquaponics, allows farmers to grow local, organic produce anywhere at any time of year. Aquaponics is a sustainable method of farming that combines aquaculture (raising fish) and hydroponics (cultivating plants in water)….