One of the best things you can do for your garden is to compost! Love this quick-start guide for beginners because it includes a glimpse into composting in a daily life. Learn what to compost, what not to compost, tips for collecting waste & dealing with
you could add some fish to your water reclamation tank for a small aquaponics system. Grow a few plants to feed the fish and this forms a closed system. There is no need to fertilize, the fish do it for you! Permaculture at its finest!