Having quails in the greenhouse to take care of pests. “Break-Through Organic Gardening Secret Grows You Up To 10 Times The Plants, In Half The Time, With Healthier Plants, While the "Fish" Do All the Work.
Cost of shipping a dimensional object wide makes this something to make on site. A roll bender, 2 steel pipe and 6 pvc pipe are the main materials. The larger the diameter the higher the yield in the area.
Danish company HUMAN HABITAT has developed a hydroponic garden system that requires just 538 square feet of space to grow fresh food. It is called IMPACT FARM and could be the beginning of a commercial farming revolution.