AQUAPONICS

DEFINATION OF AQUAPONICS

The word AQUAPONICS is the combination of two words, aquaculture and hydroponics. Aquaculture is the science of raising fish and Hydroponics is the science of growing plants in a soil-less media. Therefore, aquaponics is the combination of those two food production systems into one.Thus, aquaponics is a unique ecosystem within a food production system, where fish, bacteria, and plants are mutually benefiting each other. In other words, aquaponics is the combination of both intensive aquaculture and hydroponic production systems in a re-circulating water system.

Aquaponics is a system for farming fish and plants together in a mutually beneficial cycle. Fish produce wastes that turn into nitrates and ammonia. These nitrate and ammonia aren't good for the fish but they are a great fertilizer for plants. As the plants takes up these nutrients, they purify the water, which is good for the fish.In this way both get benefited and also grow in good manner.

Aquaponics is a combination of aquaculture, which is growing fish and other aquatic animals, and hydroponics which is growing plants without soil. Aquaponics uses these two in a combination in which plants are fed the aquatic animals’ discharge or waste. In return, the vegetables clean the water that goes back to the fish. Along with the fish and their waste, microbes play an important role to the nutrition of the plants. These beneficial bacteria gather in the spaces between the roots of the plant and converts the fish waste and the solids into substances the plants can use to grow. The result is a perfect collaboration between aquaculture and gardening.

WORKING OF AQUAPONICS

Most of the world’s aquaculture production takes place in earthen ponds or raceways, and these systems are static or flow through. Fish in these systems produce nitrogenous and mineral wastes which require extensive filtration. In hydroponics, inorganic fertilizers are used as the source of nutrients for plants, which requires flushing the system on a regular basis to replenish the fertilizer solution or to remove excess salt accumulation. In an aquaponics system, ammonia (NH3) excreted by fish as a waste product from protein metabolism is converted to nitrate (NO3-) by nitrifying bacteria so it may be used by plants. Plants act as a water filtration system by absorbing nitrogenous and mineral wastes to improve water quality for the fish. Fish, nitrifying bacteria, and plants benefit each other. The fish are the source of nutrients for the plants, nitrifying bacteria convert fish waste products to usable forms for the plants, and plants filter nutrients from the water to benefit the fish .Thus, aquaponics is a unique ecosystem within a food production system, where fish, bacteria, and plants are mutually benefiting each other.

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