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Hydroponics
Review
Ms. Sexson
Ag Science
Hydroponic Farming
Hydroponics Farming
The Method Of Growing plants Without Soils, Using Mineral Nutrient Solution In A Water Solvent
• Hydroponics is the growing of plants with no soil
• Plants are grown in a media with no nutrient value
What is Hydroponics
Pros
Advantages
- can grow year round
- uses less space to grow
- less labor
- harvesting is easier
- crops grow faster
- saves more money
- stress-relieving hobby
- Hydroponics uses less water by using a central water bank where the water is fed directly to the plants. This allows water to be retained for several weeks.
Components of a Hydroponic System
Components
Components of a Hydroponic System
Hydroponic systems must provide the following:
• Plant support
• Water
• Oxygen
• Mineral nutrients
• Light
• Temperature
• Spacing
Disadvantages
-installing the system isn't cheap
-mistakes and system malfunctions affect plants
-hydroponic gardens are affected by power outages
- requires the use of better water
-waterborne diseases spread quickly
Plant Support
Plants still need support when there is no soil.
Soil substitutes include:
• Rock wool
• Sand
• Perlite
• Vermiculite
Plant Support
Water & Oxygen
Water
• Provided directly to the roots
• Plants do not have to spend energy looking for water
• Quality – pH and salt content – must be monitored
Oxygen
• Required in the media to avoid killing roots