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Originally launched under the name The Greenhouse Project, [9] the Hydroponic Classroom program was created in 2008 to increase K-8th grade students' interest and proficiency in STEM education while understanding the environmental issues of their time: global climate change, efficient use of water and energy, building greener cities, and growing a secure and healthy food supply. [10]
Underground farming is usually done using hydroponics, aeroponics or air-dynaponics systems or container gardens. Light is generally provided by means of growth lamps [1] or daylighting systems (as light tubes). [2] The advantages of underground farming are that it is independent of the environment above the ground.
A media-based grow bed is a hydroponic system type that utilizes a trough filled with an inert material to assist plant roots and accommodate beneficial microbes. Water is usually delivered in a flooding and draining cycle (ebb and flow), delivering nutrients and oxygen to the plants.
Hydroponics research mimicking a Martian environment uses LED lighting to grow in a different color spectrum with much less heat. Ray Wheeler , a plant physiologist at Kennedy Space Center's Space Life Science Lab, believes that hydroponics will create advances within space travel, as a bioregenerative life support system .
Ebb and flow hydroponics is a form of hydroponics that is known for its simplicity, reliability of operation and low initial investment cost. Pots are filled with an inert medium which does not function like soil or contribute nutrition to the plants but which anchors the roots and functions as a temporary reserve of water and solvent mineral ...
The setup includes a carbon filter to remove any odors, and an exhaust system to cool the bulb and prevent the HPS from heating up the tent. Air from inside the tent is drawn through the carbon filter and over the bulb, then is exhausted out through the ducting using a powerful exhaust fan. Plants would be placed at the bottom of the grow tent.