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Hydroponic farming (Solid Media culture (Hanging bag technique hanginbag,…
Hydroponic farming
Solid Media culture
Hanging bag technique
Grow bag technique
Trench or trough technique
Pot technique
coconut fibre, coir dust,smoked rice husk, gravel
Aeroponics
Root mist technique
Fog feed technique
spary nutrients mist few seconds every 3 minutes
Liquid Hydrophonics
Circulating methods (closed system)
Nutrient film technique - NFT
Thin film of (0.5mm) nutrient solution flows through channels. Made of flexible sheet.
Max length of channel 10m
The solution is pumped and recycled
adjust flow rate 2-3 liters per minute
Practically difficult to maintain thin film
Little growing medium is used
allow air to be passed to roots
Deep flow technique - DFT
3 cm nutrient solution flows through 10cm diameter PVC pipes and with slope
pipes can be arranged flat, zig-zag, vertical
plastic pots with coir dust used as growing medium
solution is pumped and recycled
allow air to be passed for roots
Non-circulating method (open system)
Root dripping technique
Low tech, inexpensive, little maintenance,
pots submerged in nutrient solution
coir dust /canonized rice dusk
Type of crops
Non-root tuber crops - small plastic cups with holes and bottom 2cm of the cup will be submerged in solution
Root tuber crops - big cups with more gowing medium with mesh around
allow air to be passed
Floating technique
plant containers allowed to float on solution
artifically aerated
Capillary action technique
very thin container with nutrient solution is used
old coir dust with sand or gravel is used
container with holes in bottom
Aquaphonics
Same as DFT, additionally fish waste water recycling
