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Greenhouse


Water conservation adds extra value to end product

While greenhouses are a big step forward towards water conservation in agriculture, it is important to address that we can still do better. The week of World Water Day is always a good moment to raise more awareness about the scarcity of water and what the greenhouse industry can do to use it even more.....

NL: Start of new Public-Private Cooperation leaching

On Friday March 17th the kick-off meeting took place of a new Public-Private Cooperation on leaching problems from greenhouses. In this project, solutions will be developed for the horticultural sector to minimise leaching of nutrients and pesticides to the environment (esp. surface water), in order to.....

US (NY): Cornell greenhouse staff plow on through nor’easter

For the first time since February 2014, Cornell closed the Ithaca campus due to snow, halting all but essential services from noon March 14 until 4:30 p.m. March 15.About four dozen employees from the facilities, grounds and building care departments battled the tempest – which left about 15 inches of snow.....

5 steps for planning a successful greenhouse expansion

When retrofitting your greenhouse is not the answer a new construction expansion may be more what you need. Planning a construction project from the ground up involves a lot of details that you may not deal with on a regular basis. Here are a few pointers to help you start:1. Establish size and allow for.....

Zero tolerance for weeds in the greenhouse

"Don't let weeds grow in the greenhouse." Growers know it, customers sense it, researchers understand it, and Extension agents preach it. But is zero tolerance for weeds an attainable goal?by Lee Stivers - ljs32@psu.eduWeeds can be a persistent problem in both production and retail greenhouses. Broadleaf and.....

US (MI): Protecting tunnels during windstorms

High tunnel learning never stops. Last week on March 8th, a very unusual wind storm collapsed one of the tunnels in the TunnelBerries multi-bay structure in East Lansing, Michigan.Winds blew between 40 and 50 mph for many hours, and gusts were likely higher. The west wind unraveled plastic that was bundled.....

Reducing storm damage to your greenhouses

"39 pounds per square foot – That’s the weight of snow I had in my yard in Ashford after the January 2011 snow and rain storms," writes John Bartok, Agricultural Engineer at the University of Connecticut. "The Connecticut Building Code calls for a design load of 30 pounds per square foot (psf) and many.....

Room for greenhouse development in Newfoundland

Newfoundland might not be the first place to think of when discussing greenhouse agriculture. Nonetheless, a group of local entrepreneurs and national professionals came together in St. Johns from February 21 to 23 for the Newfoundland Greenhouse Conference. "Although the greenhouse industry is small, it is.....

Saudi Arabia: New 55,000 sqm young plant nursery for Al Bustan

In Saudi Arabia, Prins Group and their partner Stolze are building a project for Al Bustan Nurseries. The client is one of the leading companies in the production of all vegetable plants and bedding plants in Saudi Arabia. These products are completely grown with the use of Dutch techniques and comply.....

US (OH): University greenhouse teaches hands-on experience

Ohio University has had a greenhouse filled with plant species of all kinds, from lemon trees to venus fly traps, on its grounds for 45 years.The greenhouse, located near the top of Morton Hill and behind Scott Quad, serves as an instructional tool for the plant biology department and many others. Fine arts.....

NL: New 3 ha greenhouse for Ovata

Dutch succulents Nursery Ovata is going to build a 3 hectare greenhouse. This greenhouse will be built on the site where a greenhouse burned down on October 1, 2012. "With the new greenhouse we also come to a closure of this terrible happening in the past," director Hans Ammerlaan says.The plot on which the.....

Vifra introduces professional 'plug and play' humidity control solution

Dehumidification systems are gaining ground in the greenhouse industry. Vifra's answer to this trend is the new series of V-Dry dehumidification units. The small, lightweight units claim to be more flexible and adaptable to any kind of situation.For many years now, Italian engineering company Vifra is known.....

Water treatment with a mobile installation

Dutch brothers Leo and Maarten van Erkel cultivate large-flowered cut cymbidium on perlite in containers on 15,000 m2. Except for 10 weeks, from mid-June to end of August, orchids are harvested throughout the year. Last year, the groundsheet of one of two rainwater basins with a capacity of 4,500 m3 was.....

UK Ornamental growers embrace smart thermic IR film

XL Horticulture's new Sunmaster Cool film has been nominated for a Grower of the Year Award in the Best New Product or Service category. The patented 7-layer diffused polyethylene tunnel cover is shortlisted for its IR-reflecting, high light transmittance and anti condensation characteristics. Les Lane of XL.....