Why go that far? Why not grow acres of a hardy fast growing plant like hemp or seaweed, fertilized with sewage water. Harvest and dry the plant, bale it, and st

Why go that far? Why not grow acres of a hardy fast growing plant like hemp or seaweed, fertilized with sewage water. Harvest and dry the plant, bale it, and stack the bales underground? Or the Midwest farmers could bale their corn waste bury it instead of burning it. Arizona could pipe in seawater and grow seaweed by the ton.