Wastewater is a viable medium for growing lettuce in hydroponic systems, study shows
College of Agricultural, Consumer and Environmental Sciences, University of Illinois Urbana-ChampaignUrban agriculture has the potential to improve food security through local, efficient, and sustainable food production. Examples of urban food systems include hydroponics, where plants grow in a nutrient solution without soil, and aquaponics, which combines hydroponics with raising fish in tanks.