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Greenhouse Soil Hydroponic Culture Options
   
Soil Culture
The easiest way to get started in greenhouse vegetable production is to use the existing soil on site, but soils must be well drained. Soils can be improved by applying ample quantities of well-rotted livestock manure, compost, or composted livestock manure. Apply all manures before fumigation. Soils should be fumigated or sterilized with steam at least two weeks before planting. If the soil is steamed, maintain a temperature of 180°F for at least four hours. Avoid deep tillage after sterilization to prevent reintroduction of weed seed and disease organisms from below the sterilization or fumigation zone.
A soil test should be taken before planting to determine the amount of fertilizer to apply for each crop. All phosphorous and potassium fertilizers should be applied before planting and incorporated directly into the soil. Nitrogen fertilizers should be applied in split applications, part before planting and the rest as needed during the growing season. Nitrogen fertilizers can be applied as sidedressings or through a drip irrigation system. Secondary and minor fertilizer elements should be applied as needed.
Hydroponic Culture
Hydroponic culture of greenhouse vegetables involves the production of crops in sand, gravel, or artificial soil-less mixes in bags, tubes, tubs, tanks, or troughs designed to allow the circulation of nutrient media needed for crop growth. Unlike conventional soil culture, hydroponic culture of greenhouse vegetables is less forgiving and requires intense management. Although present automation systems can minimize fertilization and irrigation labor inputs, continuous monitoring of the system is important. Growers must be highly knowledgeable about plant growth, nutrient balances, cultural media characteristics, and plant physiology. Nevertheless, hydroponics allows the culture of greenhouse vegetables in areas where soils are not suitable for vegetable production.
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Hydroponic gardening may aid food supplyNashua TelegraphPhoto courtesy of MAUREEN GILMER via Scripps Howard News Service Hydroponic vegetable-growing revolutionizes off-season availability of seasonal produce. I grew up in NASA's Apollo years from 1961-72, when space-age technology yielded such essentials ... |
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Yardsmart: Hydroponic gardening may aid food supplyScrippsNewsSuch expos focus exclusively on hydroponics, the science of cultivating plants in soil-less media with little more than water and nutrient solutions. In hydroponic gardening, science and chemistry replace the old traditions of gardening.and more » |
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Major Hydroponics System Retailer Updates Grow Box SiteSan Francisco Chronicle (press release)It's a new year, and at SoCal-based hydroponics retailer Dealzer, top staffers are hard at work adding new high-tech catalog items, building new sales and discounts for customers, and staying on top of offering the most current cutting-edge grow ...and more » |
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Sergeant suspended for erasing evidence in Simply Hydroponics caseTampabay.comUnderwood was one of dozens of Pinellas County residents investigated after visiting Simply Hydroponics, a hydroponic gardening shop on Ulmerton Road. Pinellas investigators identified the store's customers by mounting a camera on a pole across the ... |
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