Hydroponic system for city agriculture - 156 feet growing space in 8x20!Complete hydroponic system, houses nearly 500 plants! The above figures are for the basic configuration to grow a variety of vegetable plants. In short plant single crop configuration, the growing space is 228 feet! Around 800 vegetable and herb plants can grow. This hydroponic system is great for the serious city farmer, restaurants, hotels as well as shelters, food banks and any hunger fighting organization. Multiple systems can be installed with 3 feet separation for large city agriculture projects.