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Koi fish work well in aquaponic farming for fertilizer (their poop).
Combat Climate Change and save the world!
Aquaponic farms are farms who grow their crops in water. Aquaponic farms combat climate change and grow crops sustainably. Aquaponic farms are eco-friendly and are a better option when it comes to food. Aquaponic farms have many benefits. One of these benefits is that the plants have no competition for resources. They have fish provide the fertilizer so they have the resources they need right there and there is so much of it they don't have to spread their roots far. They don't need to focus on spreading their roots and can focus on growing up and these plants grow much faster.
As mentioned, they have fish to provide the fertilizer. The plants and fish each benefit the other and work together the way they would in a pond ecosystem. The fish provide the fertilizer for the plants and in return, the plants clean the water for them. Aquaponic farms mimic pond ecosystems and the way life in one interacts. Water with the fish fertilizer travels to the plants using gravity to travel to the plants. Then a pump pumps the clean water back to the fish. Any freshwater fish can be used in Aquaponic farms. And the fish are not harmed and they are happy there. The fish are fed and taken care of. Aquaponic farms can grow their plants all year long, protected from the climate in green houses or other means of protection. This is a much better and sustainable choice for food and crops.
There are some different ways aquaponic farms grow their food. One way is the plants float on rafts with their roots in the water. This works for leafy plants like lettuce. Another way is having a pipe for the water and have plants on them with their roots in the water and the water flowing through the roots. These crops are organic and high quality foods - and use no harmful chemicals. Using chemicals would harm the fish and disrupt the process of aquaponic farming. You should really consider buying aquaponically grown food the next time you visit the supermarket.
The best way to summarize aquaponic farms is to say, " Sometimes contaminated water is good." Probably best not to say that before you take them to the restaurant which only buys aquaponically grown food if they have a weak stomach.
You might want to watch this video to learn more about aquaponic farming: https://youtu.be/5Db7Rzcpsrk
The difference is simply fish or no fish. Aquaponic farming, like we said, need help from fish to provide nutrients for the plants. Hydroponics do not need help from the fish.