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Ficus plant grown under a white LED grow light. A grow light is an electric light that can help plants grow. Grow lights either attempt to provide a light spectrum similar to that of the sun, or to provide a spectrum that is more tailored to the needs of the plants being cultivated (typically a varying combination of red and blue light, which generally appears pink to purple to the human eye).
Underground farming is the practice of cultivating food underground. 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 ).
Controlled-environment agriculture (CEA) -- which includes indoor agriculture (IA) and vertical farming—is a technology-based approach toward food production. The aim of CEA is to provide protection from the outdoor elements and maintain optimal growing conditions throughout the development of the crop.
A rotary hydroponic garden is a style of commercial hydroponics created within a circular frame which rotates continuously during the entire growth cycle of whatever plant is being grown. While system specifics vary, systems typically rotate once per hour, giving a plant 24 full turns within the circle each 24-hour period.
Vertical farming is a proposed agricultural concept in which entire urban high-rise buildings, not just the building envelope, are dedicated to large-scale farming. [21] According to various researchers, to be realized vertical farms would require significant technological breakthroughs with regards to energy consumption and lighting. [22]
Aquaponics is a food production system that couples aquaculture (raising aquatic animals such as fish, crayfish, snails or prawns in tanks) with hydroponics (cultivating plants in water) whereby the nutrient-rich aquaculture water is fed to hydroponically grown plants.
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