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Soil steam sterilization information


Soil steam sterilization
A mobile deep soil steamer prototype
Sheet steaming with a MSD/moeschle steam boiler

Soil steam sterilization (soil steaming) is a farming technique that sterilizes soil with steam in open fields or greenhouses. Pests of plant cultures such as weeds, bacteria, fungi and viruses are killed through induced hot steam which causes vital cellular proteins to unfold. Biologically, the method is considered a partial disinfection. Important heat-resistant, spore-forming bacteria can survive and revitalize the soil after cooling down. Soil fatigue can be cured through the release of nutritive substances blocked within the soil. Steaming leads to a better starting position, quicker growth and strengthened resistance against plant disease and pests. Today, the application of hot steam is considered the best and most effective way to disinfect sick soil, potting soil and compost. It is being used as an alternative to bromomethane, whose production and use was curtailed by the Montreal Protocol. "Steam effectively kills pathogens by heating the soil to levels that cause protein coagulation or enzyme inactivation."[1]

  1. ^ EPA Steam as an Alternative to Methyl Bromide in Nursery Crops

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Soil steam sterilization

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Soil steam sterilization (soil steaming) is a farming technique that sterilizes soil with steam in open fields or greenhouses. Pests of plant cultures...

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Sterilization

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micro-organisms Soil steam sterilization, a farming technique that sterilizes soil with steam in open fields or greenhouses Sterilization (medicine) renders...

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Soil conservation

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Sediment transport Slash-and-burn Soil contamination Soils retrogression and degradation Soil steam sterilization Surface runoff Sustainable agriculture...

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Steam

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for sterilization. Steam, especially dry (highly superheated) steam, may be used for antimicrobial cleaning even to the levels of sterilization. Steam is...

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Superheated steam

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deteriorate (the term "sterilization" is used, but it is not strictly correct since all micro-organism are not necessarily killed). Soil steaming is an effective...

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Capel Manor College

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passionate about horticulture and Clydesdale horses, and introduced soil steam sterilization to the Lea Valley Glasshouse industry. After the Colonel’s death...

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Reynoutria japonica

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be enough for the plant to grow back. Soil steam sterilization involves injecting steam into contaminated soil in order to kill subterranean plant parts...

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Weed control

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growth on dry heat. Since the 19th century soil steam sterilization has been used to clean weeds completely from soil. Several research results confirm the...

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Polytunnel

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ever having to bother to dig the soil out of a stationary house (or use soil steam sterilization) to cure greenhouse soil sickness. A US Department of Agriculture...

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Bromomethane

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other soil sterilants. Its loss to the seed industry has resulted in changes to cultural practices, with increased reliance on soil steam sterilization, mechanical...

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Index of organic food articles

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Rachel's Organic Rainbow Grocery Cooperative Soil Association Soil conditioner Soil steam sterilization Sprouts Farmers Market Square One Organic Vodka...

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Supercritical carbon dioxide

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nanometer sized pores. Supercritical CO 2 is an alternative for thermal sterilization of biological materials and medical devices with combination of the...

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List of instruments used in microbiological sterilization and disinfection

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This is a list of instruments used in microbiological sterilization and disinfection. Ananthanarayan, R.; Paniker, C.K. Jayaram (2006). Ananthanarayan...

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Feather meal

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a process called rendering. Steam pressure cookers with temperatures over 140 °C (284 °F) are used to "cook" and sterilize the feathers. This partially...

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Growbag

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buildup of pests and diseases in the ground. Commercial growers could steam sterilize their ground, but this was not feasible for the amateur grower so growbags...

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Sustainable agriculture

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phosphorus. Soil steaming can be used as an alternative to chemicals for soil sterilization. Different methods are available to induce steam into the soil to kill...

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Melon necrotic spot virus

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disease. Control of the Olipidium vector can be obtained via soil sterilization with steam or methyl bromide. Controlling pest insects is also effective...

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Crop rotation

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place for many years in a row, known as monocropping, gradually depletes the soil of certain nutrients and selects for both a highly competitive pest and weed...

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Soil solarization

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of soil. Solarization does not sterilize the soil completely. Soil solarization enhances the soil towards promoting beneficial microorganisms. Soil solarization...

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Waste converter

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achieve moist heat sterilization of waste, a converter operates in the atmospheric pressure range. Superheating conditions and steam generation are achieved...

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Cover crop

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planted to cover the soil rather than for the purpose of being harvested. Cover crops manage soil erosion, soil fertility, soil quality, water, weeds...

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Prion

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1 hour; clean; and then perform routine sterilization processes. 134 °C (273 °F) for 18 minutes in a pressurized steam autoclave has been found to be somewhat...

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Agricultural soil science

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Agricultural soil science is a branch of soil science that deals with the study of edaphic conditions as they relate to the production of food and fiber...

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List of agricultural machinery

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two main variations) Dragged teeth (also called shanks) that pierce the soil. Rotary motion of disks or teeth. Examples are: Power tiller / Rotary tiller...

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Agricultural machinery

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energy source that was the ground-crawling cousin to the steam locomotive. Agricultural steam engines took over the heavy pulling work of oxen, and were...

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Hydroponics

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which involves growing plants, usually crops or medicinal plants, without soil, by using water-based mineral nutrient solutions in an artificial environment...

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Central Soil Salinity Research Institute

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The Central Soil Salinity Research Institute (CSSRI) is an autonomous institute of higher learning, established under the umbrella of Indian Council of...

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