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The Curious Bag
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Hydroponics refers to growing plants in water without using soil. The water is treated with nutrients that the plant would normally gain through growing in soil.
Advantages
Hydroponics does not require soil. The water used in hydroponic treatment can used multiple times before all the nutrients are absorbed. Diseased plants are easier to treat due to their root system being easily accessible.
Disadvantages
The conditions required to grow plants hydroponically (high humidity and fertilizer) are susceptible to salmonella infection. The high moisture level can also cause the development of wilt.
Static Solution Culture
In a static solution culture, plants are placed in containers filled with liquid nutrient solutions. Small openings must be left in the container so the plant receives enough oxygen.
Continuous-Flow Solution Culture
A continuous flow solution is when a nutrient solution is consistently passed over the roots of the plant. The plants are grown in a temperature- and humidity-controlled environment.
Aeroponics
Aeroponics is when the roots of a plant are kept in environment and consistently sprayed or misted with a nutrient solution. The roots of the plant are suspended in the air and are not placed in water.
Source:
University of Arizona: Hydroponics
Hydroponics.com: Hydroponics Garden Techniques
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