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Aquaponics is the science of raising fish and growing vegetation within a closed water system that takes advantage of the natural partnership that exists between aquatic animals and plants. Aquaponics is considered a combination of two older approaches to cultivating fish and plants; aquaculture (fish farming) and hydroponics (the growing of plants in nutrient rich water without soil.) By combining these approaches, many aquaponics fans around the world have experienced tremendous success in developing sustainable platforms that turn out organic produce and fish that can either be consumed or kept as ornamental accessories or wet pets.
Aquaponics is much more efficient than standard backyard gardening techniques and creates greater crop yields with less expense and effort. Most plants that can be grown in land based vegetable gardens can also be produced via aquaponics. Fruits can also be grown in aquaponic systems but generally require a higher fish density to provide additional nutrients. As stated above, the fish utilized in aquaponics can be raised as either an additional source of food or as pets. Tilapia, trout, bass, crappie, crayfish and prawns are all good options for fish that are eventually eaten. Ornamental fish such as koi and goldfish are good choices for pets.
Here is how aquaponics utilizes the partnership between plants and fish. Because they eat and grow, fish produce waste that adds ammonia into the water. Even at relatively low concentrations ammonia is deadly to fish. Through a natural process known as the Nitrogen Cycle, ammonia from fish waste is transformed by beneficial bacteria into nitrites, which are transformed again by different bacteria into nitrates. While nitrites are also harmful to fish at low concentrations, nitrates are not. However, high levels of nitrates in the water can cause excessive algae growth and are harmful to fish. Fortunately, nitrates also provide nutrients that are necessary for vegetation. By consuming the nitrates, plants filter the water and help maintain a healthy and balanced aquatic environment for the fish. So by eating and growing, the fish provide essential nutrients for the plants and by eating and growing, the plants provide safe water for the fish. Aquaponics is the best answer for a fish enthusiasts need to dispose of excess nitrates, as well as a hydroponic gardeners need to feed nutrients to their plants.
Aquaponics does not require a great deal of space. It is relatively easy to build a system outdoors in your backyard, in a greenhouse or even in your basement. It is neither overly expensive nor time intensive to maintain the system once it is up and running. Costs for the system can be recovered by selling of the output or it can be scaled up to be a profitable business. Aquaponics provides a truly organic form of food and allows for a higher density yield conserving space. You can also locate an aquaponics system so you can grow plants and vegetables year-round. Even a small aquaponics system can produce 100 lbs of fresh fish and 200 lbs of organic fruit and vegetables every 6 months. If you are interested in owning a self sufficient food supply or just like growing plants and fish, aquaponics is the right hobby or business for you!
If you are interested in learning more about the practice of aquaponics, visit All About Aquaponics Fish.
If you are interested in Tilapia Farming or learning about other freshwater fish that can be used in aquaponics and aquaculture, click on this link Tilapia Farming.
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