Salad recipes don't begin and end with a head of lettuce or a bag of mixed greens. While they have their time and place, it's easy to get bored with these delicate (in both flavor and texture) greens. Instead, make one of these exciting recipes starring everything from cruciferous vegetables like kale, broccoli, and brussels sprouts to juicy tomatoes, crisp carrots, and even celery.
To grow one million heads of lettuce using conventional agriculture methods in the US requires either 16 acres of land in the Northern states, 8 acres of land in the Southern states, or .9 acres in a traditional hydroponic greenhouse operation. Vancouver-based Valcent Products Inc. (OTCBB: VCTZF) claims that it can beat those numbers handily and produce the same amount of lettuce sustainably on just .16 acres with its patented hydroponic vertical growing system, VertiCrop™.