Hydroponics

• Hydroponics involves growing plants in a soil less medium, usually perlite, rock wool or gravel, using a small pump to circulate nutrient-laden water through the root system.
• It has following types:

1. Nutrient Film technique (NFT)
2. Deep Flow technique / Flood and drain
3. Drip-system/ technique
4. Wick system / technique (capillary movement)
5. Root dip method
6. Floating technique