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As read in its (patent ), the Tower Garden® is a general vertical hydroponic growing system, although it is at times confused to be an aeroponic system. Priced at over $500 and weighing over 150lbs when filled, it is a patented food production system designed for urban farms, rooftop gardens, and commercial growing operations. Because of its vertical design, the system is space and energy efficient. The basic unit has a 2.5' x 2.5' footprint, and uses modular stackable growing pots. With an 11-pot maximum configuration, you can grow up to 44 plants per tower with 90% less space and water and in a fraction of the time compared to conventional gardening. The Tower Garden® is made from hardened polyurethane. Additionally, the Tower Garden® product is designed for decades of use. The plastic is several times thicker than almost all hydroponic products available on the market today. The plastic is also completely opaque, keeping all sunlight out (which naturally inhibits algae growth), and is UV stabilized for outdoor protection. ==How it works== It relies upon a small pump drip irrigation repeat cycle timer and perforated cap to drip the mineral solution over plant roots rather than misting them with an atomizer nozzle or spray nozzle as is done in proper, conventional aeroponics. The system uses standard hydroponic rock wool set into an acrylonitrile butadiene styrene (ABS) plastic modular column that pumps water over plant roots. Four plant net pot slots are vertically arranged on the four sides of each square module which are stacked to form a tower configuration. The Tower Garden unit has a 2.5' x 2.5' footprint and 25-gallon reservoir base with a small submersible pump for the mineral solution. The nutrient water is pumped to an outlet at the top of the tower and falls into a perforated basket which then drips through the spaces and perforations in the modules, humidifying and being absorbed by plant roots and finally mostly returning to the reservoir. The system uses less horizontal space than horizontal hydroponic designs. Seeds for the Tower Garden® are started in natural rock fiber seeding cubes, as seen in the photo above and left. After germination, the cubes are placed in full light for a week or two, where they can develop into hardy seedlings ready to transplant into the Tower Garden®. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tower Garden」の詳細全文を読む スポンサード リンク
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