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Hydroponics is crop production with mineral nutrient solutions instead of soil containing silt and clay. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as sand, gravel or rockwool. A variety of techniques exist.
Plant physiology researchers discovered in the 1800s that plants absorb essential mineral nutrients as inorganic ions in water. In natural conditions, soil acts as a mineral nutrient reservoir but the soil itself is not essential to plant growth. When the mineral nutrients in the soil dissolve in water, plant roots are able to absorb them. When the required mineral nutrients are introduced into a plant's water supply artificially, soil is no longer required for the plant to thrive. Almost any terrestrial plant will grow with hydroponics, but some will do better than others. It is also very easy to do; the activity is often undertaken by very young children with such plants as watercress. Hydroponics is also a standard technique in biology research and teaching and a popular hobby. There is little commercial hydroponic crop production because it is a more expensive method than traditional agriculture.
History
Contrary to some modern sources, ancient peoples such as the Babylonians and Aztecs did not use hydroponics. The mineral nutrient solutions required for hydroponics were not developed until the 1800s. The so-called Floating Gardens of the Aztecs (chinampas) used soil. The Hanging Gardens of Babylon were supposedly irrigated roof gardens but there is no evidence they used hydroponics. More on [ Hydroponics ]
Hydroponics :: Materials and Supplies
Hydroponic
Hydroponics :: Gardens
Hydroponics Gardening for Organic Vegetables â Introduction http://bit.ly/64H5TV
SoulApple (Alma) Fri, 18 Dec 2009 08:22:23 -0000
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valarcher (Val Archer) Fri, 18 Dec 2009 08:04:41 -0000
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self_sufficient (Mark Daymond) Fri, 18 Dec 2009 08:02:04 -0000
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Hydroponics - Hid lighting, hydroponic systems, ph, nutrients, and reflectors. BC,Canada.
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Hydroponics Centre - Specialized in various equipment such as starter kits, lighting and accessories, and nutrient management.
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3R Lighting Company - Hydroponic, bioponic, indoor gardening equipment, grow lights, nutrients, and systems.
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4 Ever Sun - Manufacturer of indoor hydroponic self contained grow boxes and accessories.
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ACI Hydroponics - Complete line of grow lights (HID), light movers, and hydroponic garden equipment.
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Aero-Dynamix - Specializing in aeroponic systems.
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Alabama Hydroponics - Choose from a select group of Hydroponic items at reasonable prices. Home of the Hydroponic Tomato Challenge.
All American Hydroponics - HID grow lights hydroponic systems, pH and conductivity products, and plant food (nutrients) made with an American pride.
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American Agriculture - Includes lighting systems, supplies, tools and books.
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American Agritech - Manufacturers products for the hydroponic industry. Hydroponics is the method of growing plants without soil
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Aquamist Hydroponics Products - Great source for hydroponic/aeroponics supplies. Knowledgeable and helpful staff. Palo Alto, CA.
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Atlantis Hydroponics - Suppliers of hydroponic equipment, nutrients, hormones, complete hydro and lighting systems. Also has stores in Georgia, USA.
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Bare Roots Hydro - Hydroponic and organic gardening supplies such as fertilizers, nutrients, and climate controls equipment.
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Be Well Hydroponics - Offers full range and contact details for shop in Charlotte, North Carolina.
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Best Grow Lights - Offering grow light systems, components, lamps and accessories.
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Better Than Nature - Indoor gardening products and systems. PH, TDS, temperature monitoring systems for commercial gardening, aeroponic and hydroponic garden greenhouses.
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BG Hydro - Offer a large selection of indoor hydroponics supplies and systems.
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Big Blue Air Products - Manufacturer of odor control products for indoor gardens and their ventilation systems.
Bustan Urban Gardening Essentials - Includes propagation supplies, grow mediums, soil amendments, nutrients and supplements, horticultural lighting, tools and accessories, books, containers, seeds, bulbs, and exotic plants.
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Club Hydro - Sells a variety of outdoor and indoor gardening equipment.
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CropKing - Offers controlled environment growing systems and technology for specialty crops including hydroponic vegetables, aquaculture and exotic mushrooms.
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Discount Hydroponics - Sells grow lights, nutrients, systems, pest control, blowers and hydroponic accessories.
Everybody's Garden Center - Sells a wide variety of products which include natural pest and climate control, gardening tools, greenhouse lighting, and soils. Portland, OR
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EzGro - Vertical garden system. Information and contact details.
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EzHydroKit. - Offers easy-to-use complete hydroponic systems, including nutrients, pH kits, and an Ez-grow guide.
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Foothill Hydroponics - Everything you need to grow plants indoors, hydroponic systems, nutrient, rockwool, perlite, pumps, and trays. Free expert advice.
Full Bloom Hydroponics - Distributor and outlet store of hydroponic supplies.
FutureGarden - Features a complete line of grow lights, hydroponic gardens and growing supplies.
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Garden Indoors - Specializing in year round gardening. Offering grow lights, and hydroponics equipment.
Gardeners Edge Hydroponics - Online Hydroponics store and portal. Specializes in high-tech gardening supplies. Gainesville, FL.
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Granite Hydroponics - Hydroponic systems and supplies. Ordering information, monthly specials, aeroponic and hydroponic kits.
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Green Fortune - Suppliers of Streamgarden systems.
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GreenCoast Hydroponics - Offers grow lights, systems, and environmental controllers. Includes a library of indoor growing information.
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Greenstream Hydroponics - Offers kits and systems of various sizes, grow lights, nutrients, organics, and related tools.
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Grow Light Source - Indoor supplies such as systems and parts, propagation and cloning items.
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Growco Indoor Gardening - Hydroponic and intense lighting systems plus grow room supplies and nutrients.
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GrowroomsUK - Hydroponic suppliers with a range of products, including equipment, growing media, supplies, and lighting. In the United Kingdom.
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GTG Hydroponics - Provides a wide variety of indoor gardening supplies, grow lights, organic fertilizers, as well as advanced climate and carbon dioxide controllers. Online forum and FAQ.
Harry's Garden Center - Indoor gardening and hydroponic supplies store featuring lighting nutrients growing systems, books and magazines, cloning and propagation supplies, environmental controls, Co2 emitters, and rockwool. Warren, Michigan.
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Harvest Moon Hydroponics - Supplies for hydroponics. Greenhouses, artificial lighting and new plant varieties.
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Hempstead Hydroponics - Equipment supplier in north London, UK. Product catalogue and contact details.
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Home Hydroponics Systems - Non-circulating types that uses no outside energy or electrical sources to circulate the nutrified water in which the plants grow.
Homegrown Hydroponics - Offers gardens, lighting, nutrient, propagation, growing media, aeration, garden care, pest controls, and books. Alberta, Manitoba, Ontario Nova Scotia
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Hydro Depot - Offers wide range of items such as equipment, indoor gardening supplies, and accessories.
Hydro Wholesale - Sells wide selection of products such as irrigation supplies, books and magazines and testing equipment.
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Hydroasis - Full-service hydroponic and organic gardening store. Indoor lighting, many hydroponic systems, nutrients and organics. Culver City, CA.
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Hydroponic Center Guy Dionne - Offers a complete line of professional quality hydroponic and aeroponic materials, greenhouse management equipment, lighting systems, growing mediums, and fertilizers. Quebec Canada.
Hydroponic Equipment - Online catalog includes everything from aeroponics to TDS testing. Hydroponic growing systems, lighting, organic fertilizers, rockwool, books and accessories.
Hydroponic Garden Supplies - A full line of hydroponic supplies. Complete systems to get you started and the nutrients and rockwool to maintain your exisiting system.
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Hydroponic Vegetable Gardening - Offer various products as well as literature and a newsletter.
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Hydroponics Garden - Hydroponics, organic and eco-friendly products. Enjoy full spectrum Grow lighting and supplies for your year round indoor garden. Minneapolis, MN.
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Interior Water Gardens: A Hydroculture Oasi - Offers kits for growing Orchids in hydroculture and hydroponics. Also supplies, nutrients, culture instructions, and a photo gallery.
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Just N' Tyme - Indoor gardening supplies and forum.
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LightYears Indoor Garden Supply - HID lights, ventilation systems, hydroponic systems, plant nutrients, and custom-made equipment. Serving all of southern BC and Albetra.
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M Hydro Shop - Offers a small selection of indoor supplies.
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Paradise Gardens - Staff is schooled in horticulture, carries cutting edge technology in growing products, lighting equipment, Hemp Clothing, and FAQs. Ohsweken, Ontario
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Pyraponic Industries - Sells the Phototron automated indoor growing system featuring vertical fluorescent lightbulbs, and a range of supplies and parts.
Sea Of Green - Hydroponic and horticultural gardening systems and supplies. Ships in USA.
Smart Planters - Self-regulating, automatic controlled-watering nutrient-feeding hydroponics-based planter system.
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Sunstreamer Grow Light - High intensity fluorescent light for indoor growing, a cool alternative to metal halides and sodium lighting.
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