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Topic: Greenhouse


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In the News (Thu 25 Apr 19)

  
  Greenhouse Effect - MSN Encarta
Greenhouse Effect, the capacity of certain gases in the atmosphere to trap heat emitted from the Earth’s surface, thereby insulating and warming the Earth.
Water vapor is the most common greenhouse gas in the atmosphere, accounting for about 60 to 70 percent of the natural greenhouse effect.
However, as human activities increase the concentration of other greenhouse gases in the atmosphere (producing warmer temperatures on Earth), the evaporation of oceans, lakes, and rivers, as well as water evaporation from plants, increase and raise the amount of water vapor in the atmosphere.
encarta.msn.com /encyclopedia_761578504/Greenhouse_Effect.html?ENCMauth=jsMSyhXkuMGGRX9uc6OrNI7d7LIntiXuLsnDO8kW0nHRirRbm1odOx109hKp5LmJNE0q/OT164I=   (1098 words)

  
 Greenhouse - Wikipedia, the free encyclopedia
Greenhouse effects are often used for growing flowers, vegetables, fruits, and tobacco plants.
The first modern greenhouses were built in Italy in the sixteenth century to house the exotic plants that explorers brought back from the tropics.
The greenhouse at the Palace of Versailles was an example of their size and elaborateness; it was more than 500 feet long, 42 feet wide, and 45 feet high.
en.wikipedia.org /wiki/Greenhouse   (1011 words)

  
 Greenhouse
Some of the specimens spend the winter in the greenhouse and the growing season in the urns found throughout the campus arboretum.
Greenhouse plants are also used as centerpieces and decorations for college functions, models for creative works by students in the art programs, and religious displays by the campus minister.
The greenhouse is used for studies on plant nutrition, germination, interspecific competition, tissue culture, and population growth.
www.georgian.edu /greenhouse   (210 words)

  
 P1957 Starting a Greenhouse Business
Some greenhouse crops may not be produced in some locations because of the expense involved in heating and/or cooling the greenhouse.
Some greenhouse locations may require additional investment for the drilling of a water well and the purchase of LP gas storage tanks if water and gas are not available.
Greenhouse crops may require a year or more from the planting date until the crop is ready for sale.
msucares.com /pubs/publications/p1957.htm   (1615 words)

  
 Greenhouse Structures - CEAC
The greenhouse structure must not only be of sufficient overall size, but also be proportioned to fit the modular size (row spacing or bench width) of the crop production system, such that use of interior space is maximized.
For uniformity of light distribution to the plant canopy, the N-S oriented greenhouse is always better than the E-W. The shadow patterns caused by the overhead greenhouse supporting structures continually move across the crops (from west to east), as the sun travels from sunrise in the east to sunset in the west.
In gutter-connected greenhouses, a minimum of 3 m (10 ft) from floor surface to gutter, plus an additional 1.2 m (4 ft) from the gutter up to the ridge, is desirable.
ag.arizona.edu /ceac/research/archive/structures.htm   (2236 words)

  
 Greenhouse effect - Wikipedia, the free encyclopedia
The greenhouse effect, first discovered by Joseph Fourier in 1824, and first investigated quantitatively by Svante Arrhenius in 1896, is the process in which the absorption of infrared radiation by an atmosphere warms a planet.
The key to the greenhouse effect is the fact that the atmosphere is relatively transparent to visible solar radiation but strongly absorbing at the wavelengths of the thermal infrared radiation emitted by the surface and the atmosphere.
When the concentration of a greenhouse gas (A) is itself a function of temperature, there is a positive feedback from the increase in another greenhouse gas (B), whereby increase in B increases the temperature which, in turn, increases the concentration of A, which increases temperatures further, and so on.
en.wikipedia.org /wiki/Greenhouse_effect   (2543 words)

  
 Free Solar Greenhouse Plans
Calling a greenhouse solar is somewhat redundant, since all greenhouses are solar heated to some extent.
The greenhouse itself traps the heat each day, as anyone who has been inside a greenhouse for just a few minutes on a sunny day knows.
Inside the greenhouse the heated objects radiate warmth in the form of long waves, which do not readily penetrate the greenhouse covering.
www.hobby-greenhouse.com /FreeSolar.html   (1568 words)

  
 JunkScience.com -- The Real Inconvenient Truth: Greenhouse, global warming and some facts   (Site not responding. Last check: 2007-08-09)
The term "greenhouse effect" is unfortunate since it often results in a totally false impression of the activity of so-called "greenhouse gases." An actual greenhouse works as a physical barrier to convection (the transfer of heat by currents in a fluid) while the atmosphere facilitates convection.
The proof that convection containment is critical to the function of physical greenhouses is that it is possible to create structures with similar radiative properties, one which allows convective activity between the structure and unconstrained atmosphere and one which does not.
Greenhouse gases do not emit energy in the same bandwidth that they absorb energy, and thus emissions from carbon dioxide are not absorbed by carbon dioxide.
www.junkscience.com /Greenhouse   (6426 words)

  
 Greenhouse
Greenhouse, the longest running celtic band in the North Bay Area of San Francisco, has been headed, since its inception, by Michael Rofkar, guitarist and vocalist.
Drawing from the immense wealth of traditional Irish, Scots, and English music, Greenhouse combines those influences with contemporary and original material to create an exciting style all their own: a style that is respectful of the tradition while maintaining a decidedly non-purist approach.
Greenhouse has been at the forefront of Northern California’s Celtic Revival since its inception in 1991, entertaining audiences with their blend of lively jigs and reels, tender ballads, and rousing pub songs.
www.celticfusion.org   (320 words)

  
 Greenhouse Gases, Climate Change, and Energy
Greenhouse gases absorb this infrared radiation and trap the heat in the atmosphere.
In computer-based models, rising concentrations of greenhouse gases generally produce an increase in the average temperature of the Earth.
Another greenhouse gas, methane, comes from landfills, coal mines, oil and gas operations, and agriculture; it represents 9 percent of total emissions.
www.eia.doe.gov /oiaf/1605/ggccebro/chapter1.html   (780 words)

  
 The Greenhouse Effect
The greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (water vapor, carbon dioxide, nitrous oxide, and methane, for example) trap energy from the sun.
Greenhouses are used to grow plants, especially in the winter.
This causes the greenhouse to heat up, much like the inside of a car parked in sunlight, and keeps the plants warm enough to live in the winter.
www.epa.gov /climatechange/kids/greenhouse.html   (268 words)

  
 Greenhouse Effect
If greenhouse gas molecules were enlarged, this would be their general shape.
Without its atmosphere and greenhouse gases, the surface of the Earth would be as cold as the surface of Mars.
The amount of greenhouse gases in Earth’s atmosphere is currently increasing which is amplifying the greenhouse effect, warming the planet.
www.windows.ucar.edu /tour/link=/earth/interior/greenhouse_effect.html&edu=high   (288 words)

  
 Greenhouse at Solar Haven
The greenhouse was built to cover most of the long side of our mobile home -- thus helping to keep it warm during the day in Winter and protect it from the wind and cold at night.
Plywood panels were used at each of the corners of the greenhouse to give the structure added stability, particularly in high winds which occur during the Monsoon season here.
The greenhouse also serves as the nerve center for our whole operation since it houses the batteries, inverter, and other electronics for the solar electric system as well as the cirulating manifold and all the pumps for our radiant hot-water heating system.
www.solarhaven.org /Greenhouse.htm   (591 words)

  
 Denver Greenhouse - About Us
Greenhouse employees grow many ornamental plants from cuttings of stock that have been growing in the facility for many years.
The Greenhouse has a trial garden area where new varieties of annuals are grown for various seed companies and evaluated.
The Greenhouse is sometimes used for special functions and meetings because of its large open shed area and parking availability.
www.denvergov.org /Denver_Greenhouse/311aboutus.asp   (300 words)

  
 Greenhouse Effect
The greenhouse effect, despite all the controversy that surrounds the term, is actually one of the most well-established theories in atmospheric science.
The greenhouse effect works because some gases and particles in an atmosphere preferentially allow sunlight to filter through to the surface of the planet relative to the amount of radiant infrared energy that the atmosphere allows to escape back up to space.
Therefore, increasing the amount of greenhouse gases increases the planet's surface temperature by increasing the amount of heat that is trapped in the lowest part of the atmosphere.
www.ciesin.org /docs/003-074/003-074.html   (9622 words)

  
 Greenhouses at Greenhouses & Gazebos
A greenhouse in your yard can mean fresh vegetables for many months and an early spring for your perennials and annuals.
Greenhouses are available in A-frame and barn shapes in a variety of styles, material and sizes.
There are even smaller hexagonal gazebo-style greenhouses that will serve double duty as a comfortable and attractive garden solarium, available for $2000 to $3000 in polycarbonate, or about $5000 in glass.
www.greenhousesandgazebos.com /greenhouses.aspx   (389 words)

  
 Greenhouses and Greenhouse Supplies | ShedTopia
The FlowerHouse greenhouses are made of Rip-stop Gro-Tec polyethylene fabric which is UV resistant, 100% waterproof, and designed to withstand driving rain, hail, and snow.
Rion greenhouses are made of 4mm twin wall polycarbonate covering panels and a poly-resin frame which makes them a maintenance free gardening environment year round.
Rion greenhouses have a spacious design which is enhanced by the barn style roof which gives more headroom and growing space than the traditional peak roof glass greenhouses.
www.shedtopia.com /site/747339/page/670266   (2287 words)

  
 Greenhouse Garden Center
Don't hesitate to contact one of our gardening experts if you need help on what greenhouse's are suitable for where you live, what greenhouse will fit the plants you are growing, what accessories you will need or with any of your greenhouseor planting questions.
If we do not believe a greenhouse is right for you, we will provide you with other options.
This beautiful greenhouse came from the caring hands of "Green House Builders" and better than wonderful owners Patrick and Robin Henshaw.
www.greenhousebuilder.com   (459 words)

  
 greenhouse   (Site not responding. Last check: 2007-08-09)
Greenhouse's acquisition career began as a Department of the Army Procurement Intern with the Directorate of Contracting, Fort Hood, Texas.
Greenhouse was named one of the Outstanding Young Women of America in 1975.
Greenhouse is a member of the Army Acquisition Corps and she has achieved Level III Acquisition Professional Certifications in three areas: Contracting, Program Management and Communications-Computer Systems.
www.whistleblowers.org /html/greenhouse.htm   (348 words)

  
 Hobby Greenhouse | Portable Green house
The Greenhouse is also the ideal place to start the plants off for your garden in the spring or extend your growing season.
Greenhouse kits come in many different sizes from the small Three Tier Greenhouse for the Patio, Deck or Balcony all the way up to the Rion Greenhouse GH4-12 that is 24' long.
The Rion Greenhouses start at 8' long and are expandable up to 24'.
www.ourcrazydeals.com   (313 words)

  
 CMA Resources - Greenhouse
The Greenhouse is a relational context for leaders from a city or region to gather together in a supportive environment and learn more about church and church planting from oneanother and the Scriptures.
Greenhouse sites are springing up around the U.S. and world.
At the Greenhouse I saw examples of how disciples are "doing church" in their homes, and I learned how House Churches are congruent with what we read in the New Testament.
www.cmaresources.org /greenhouse   (276 words)

  
 Greenhouse Effect
It might be cold outside, but inside the greenhouse lush green plants flourish in the warmth and sunshine.
Greenhouses are made of glass and are designed to hold heat inside.
Instead, molecules in the atmosphere called greenhouse gases absorb the heat.
www.windows.ucar.edu /tour/link=/earth/interior/greenhouse_effect.html   (288 words)

  
 Greenhouses, Greenhouse Supplies, Commercial Greenhouses, Hobby Greenhouse, Greenhouse Kit, Greenhouse Plan, Greenhouse ...
International Greenhouse Company is dedicated to providing you with greenhouse supplies and commercial greenhouses that will give your plants significant growth and optimal health.
My greenhouse is finished and I really am proud of it and proud that I purchased it from your company.
I had looked at several companies before deciding to purchase a greenhouse from you; this greenhouse has solid construction and, I believe, will last a long, long time.
www.igcusa.com   (407 words)

  
 The Greenhouse: International Preschool in Phuket and Koh Samui, Thailand   (Site not responding. Last check: 2007-08-09)
Their classrooms and activities are based on a developmentally appropriate curriculum designed to nurture the developing skills and interests of every child.
Every child at Greenhouse has the opportunity to become fully fluent in speaking and understanding English, whether it is a child's first, second or third language.
Because of the diversity of native languages that children bring to Greenhouse, English is both the language of instruction, and also social language of the children.
www.greenhouse-phuket.com   (389 words)

  
 CRC for Greenhouse Accounting - About greenhouse: About Greenhouse
Global warming and climate change as a result of human-induced increases in greenhouse gases are arguably the biggest threat facing the world's population.
The Cooperative Research Centre for Greenhouse Accounting has a vision of Australia meeting the greenhouse challenge on the land, supported by world-class capability in greenhouse accounting.
Bottom fish and crabs washing up dead on beaches of Oregon, United States, are being killed by a recurring "dead zone" of low-oxygen water that appears to be triggered by global warming, scientists say.
www.greenhouse.crc.org.au /about_greenhouse   (345 words)

  
 Australian Greenhouse Office - Home Page
Tracking to the Kyoto Target 2006 - Australia's Greenhouse Emissions Trends - 1990 to 2008-2012 and 2020
Greenhouse emissions projections released - Media release, 20 December 2006
Australian Greenhouse Office, Dept of the Environment and Heritage, GPO Box 787 Canberra ACT 2601 Australia - Phone: +61 02 6274 1888
www.greenhouse.gov.au   (170 words)

  
 Greenhouses, Greenhouse Supplies and Greenhouse Information.
Their most common greenhouse sizes are 24 X 96 and 30 X
When more than one greenhouse is used, they are generally connected at the gutter, referred to
The national greenhouse tomato industry has also been growing rapidly, but this is a more recent trend.
www.greenhouse.net   (527 words)

  
 MSUcares: Greenhouse Tomatoes
When more than one greenhouse is used, they are generally connected at the gutter, referred to as "gutter-connected bays." Most of our businesses are small, averaging 2.4 bays.
A good source for seeds, fertilizers, greenhouses, and greenhouse tomato supplies of all kinds is Hydro-Gardens, Inc.
Watch Farmweek TV feature on Wayne Smith's Greenhouse Tomatoes (7 minute video clip, 56Kbps) or listen to the audio track of the same clip (4 minutes, 14 seconds) April 30, 2002.
www.msucares.com /crops/comhort/greenhouse.html   (734 words)

  
 Charley's - Hobby Greenhouse Kits & Greenhouse Supplies
As greenhouse gardeners ourselves, our goal is to share the joy of greenhouse gardening by providing you with everything from hobby greenhouse kits and custom greenhouses to unique and hard-to-find greenhouse supplies, orchid supplies and gardening tools.
This classic English greenhouse has proven itself over decades to be an effective, practical design for growing a wider variety of plants.
Monitor the climate inside your greenhouse and the outdoor temperature.
www.charleysgreenhouse.com   (194 words)

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