Grow fish for dinner while letting them fertilize your vegetable crop. Urban farming is getting more interest all the time and this one sounds cool.
Portable Farms announces the availability of their new invention, Portable Farms which offers an easy way to grow 100 pounds of home-grown fish and 400 heads of lettuce (or other table vegetables) per year in a small 6 foot x 8 foot space.
Units can be scaled to feed several families, a small neighborhood, or an entire village. The fish and table vegetables can be eaten or sold locally to stores or restaurants. . . [ read more Invention offers easy solution to food shortages]