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Building commercially successful aquaponics systems in India

The concept: Convert, using microbial communities, the nutrition generated by the waste materials in the ponds where fish eat and live to grow vegetable greens and other plants in a soil-less medium, by recirculating the water.

Sandip Bhatia

on 15 August 2012

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Transcript of Building commercially successful aquaponics systems in India

Building commercially successful aquaponics systems Conclusion Full cost recovery is a must for success of aquaponics And one more thing... Cellular technology bridged the communication divide.
Now aquaponics is set to bridge the nutrition divide. Constructing the infrastructure Step A Step B Framework for commercial aquaponics Erect the tank, free from any pre-use contaminants, to breed the fish
Commercial sizes: 1000/4000 litres, about one m water depth, 1.2 m high. For hobbyists even 20 litres is OK
Fill with fresh water, free of chlorine, chemicals, or antibiotics
Instal auto feeding system (optional)
Cover tank to protect from dust; allow some light
Where feasible bury the tank in the ground and maintain 25-30 deg C Erect rafts, towers, gravel beds, channels for planting the veggies/greens
Ensure sunlight
Protect from cold Step D Location
Plants Purpose Landscaping
Eat fresh
Sell fish and veggies
Social cause projects A clean container
Clean water
Air blowing system
Water circulation system
Water filtering system
Grow beds
Fish feed Aquaponics essentials International Congress on Urban Green Spaces Green Cities, Green Minds Step C Arrange seedlings and fingerlings Pot the seedlings and release the fingerlings Keep circulating the water
Maintain oxygen levels
Maintain pH between 7 and 7.5
Feed the fish 2-4% of body weight/day
Use floating or sinking fish feeds as per species
Avoid shocks to fish such as high ammonia spikes or low oxygen levels
Keep fish tank clean, remove solid waste periodically
Monitor fish growth
Keep fish wt below 30 kgs per 1000 litres Step E Typical commercials Fish tank cost: Rs 5-10 per litre
Water pump: Rs. 1,500 50W, 220 VAC
Air pump: Rs. 1,000/- 220 VAC
Grow beds: < Rs. 5 per litre
Fish production: 50 kgs/1000 litres tank/year
Greens: 300 kgs/1000 litres tank/year
Fish feed cost: Rs. 20-30/Kg.
Pay back: < 2 years Aquaponics: A Great Choice! 5,000 lt over ground fish tank Gravel beds NFT system Auto fish feed system Fish tank covered and secured ZipGro Towers hang in the background Broccoli growing in gravel beds Water inlet to flood the gravel beds 1,200 lt underground fish tank Net and cover to keep away dust and birds 6 x 400 lt gravel beds Return water line to fish tank Auto fish feed system Seedlings being inserted in ZipGrow towers Growing media Plants such as banana and bamboo with long roots need deeper beds Marigolds bloom in ZipGrow Towers Nate, the inventor of ZipGrow Towers Lettuce plant in a yoghurt cup with its water wick and roots Plants in ZipGrow Towers welcome visitors at the enetrance of 7201 Mount Dora Orlando Vertical towers mounted above the fish tanks Towers growing lettuce, parsley, mustard, other greens Simple structure to mount gravel beds in old drums Fish tank with the fish and return water line Plants float in water filled raft beds Gravel grow beds 5,000 lt fish tank NFT system with lettuce Vertical towers in the background Auto fish feeder
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