April 24, 2014

9 High Tunnel And Shade Products For Your Operation

Extend the growing season and enhance plant quality with these nine high tunnel and shade products.

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National Greenhouse Manufacturers Association

March 21, 2014

Greenhouse Heating Basics From The National Greenhouse Manufacturers Association

Here's a Q&A from the National Greenhouse Manufacturers Association that might help you improve your greenhouse.

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Greenhouse interior At Corsos

March 18, 2014

Will Greenhouses Add Production Space In 2014?

For those who are making changes this year, many responded that new production space will be used to extend their growing seasons, for early-season sales as well as edibles during the winter months.

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February 25, 2014

Behind The New Greenhouse Projects At Van de Wetering And Kurtz Farms

Read about the projects VB Greenhouses worked on at Van de Wetering Greenhouses and Kurtz Farms.

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February 25, 2014

7 Spring Cleaning Tips For Commercial Greenhouses

During every busy shipping season you invariably run into issues that would have been eliminated had a little spring cleaning taken place. Here are a few points you may want to consider before spring shipping rolls around:

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January 21, 2014

Exclusive: Danziger Is Building A State-Of-The-Art Stock Farm In Guatemala

The breeder is constructing almost nine acres of state-of-the-art greenhouses near Barbarena, Guatemala, to bring its stock farm closer to the U.S. market. The first phase of construction was complete in February 2014.

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Metrolina Greenhouses

December 2, 2013

Greenhouse Glazings FAQ: National Greenhouse Manufacturers Association Offers Advice

The National Greenhouse Manufacturers Association has taken on several common questions about greenhouse glazings in this FAQ.

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Google Glass

December 2, 2013

A Day In The Life Of A Grower: 2020

At the current rate of technological advancement and the drive to automate business processes to improve efficiencies, there are sure to be many changes for greenhouse growers in the next few years.

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October 11, 2013

Purchasing A Greenhouse: Advice From The National Greenhouse Manufacturers Association

There are some common questions growers ask about structures. NGMA collected answers to the most frequently asked questions.

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The GGS open-roof greenhouse design provides an optimal system to both maximize ventilation while maintaining a smooth surface on the poly and good roof pitch for condensation control.

October 4, 2013

Top 10 Mistakes Greenhouse Growers Make When Planning An Expansion

From financing to production concerns, don't make these mistakes when planning additional greenhouse space.

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September 13, 2013

Comparing LED Lighting To High-Pressure Sodium Lamps

Cuttings of vegetatively propagated bedding plants are frequently rooted in late winter and early spring to meet the spring and early summer market demand for flowering bedding plants. However, this is also the time when dirty and old glazing material, interior superstructures, and hanging baskets suspended above benches reduce already seasonally low ambient outdoor daily light integrals (DLIs) inside the greenhouse. Increasing the DLI during propagation has been shown to improve growth and quality of rooted cuttings, as well as reduce time to flower after transplanting. While maintaining clean glazing material, minimizing superstructure and reducing the density of hanging baskets may increase greenhouse DLI, the only way to appreciably increase DLI is to provide supplemental or photosynthetic lighting. Light-emitting diodes (LEDs) are solid-state, semi-conducting diodes that can emit light from ~250 nm to ≥1000 nm. There are several features of LEDs that make them attractive alternatives to high-pressure sodium (HPS) […]

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August 23, 2013

Structural Design Manual From National Greenhouse Manufacturing Association Offers Construction Guidance

The manual guides designers through the building code provisions for production and commercial greenhouse structures. It includes the provisions for roof live load, snow load, wind loads and seismic and collateral loads as contained in the building code or reference standards. Structural design methods for roof framing systems, the support columns and the lateral bracing systems are also detailed. This chapter looks at bracing, connection materials, roof support systems, trusses, arches, rigid frames, gutters, ridges, purlins and more. It also includes two design examples. Click here to visit the NGMA Downloads page and click on the dropdown menu under Design Manuals.

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