Great Gardens

Managing Real Estate Broker with Windermere Peninsula Properties

Dinah Loves Veggies!In times where we are always hearing about global warming and the environment we have good news. Green houses!

I am not talking about the gases that we are hearing about in the news, I am referring to a self sustaining place to grow your veggies.

Safe from the negative effects of weather, pestacides and powered with solar energy they are a great alternative to farming the old fashioned way.Rising out of verdant acres of strawberries and artichokes are two mammoth, high-tech greenhouses.

Climate change is a serious threat to California's $36 billion agricultural economy. The farming company behind this $50 million complex sees it as insurance against perpetual drought, volatile fossil fuel prices and resilient pests.

The facility generates its own renewable power. It hoards rainwater. It hosts its own bees for pollination. And it requires a fraction of the chemicals used in neighboring fields to coax plants to produce like champions.

This fledgling movement to grow food crops in closed, sustainable environments could become as revolutionary to farming in the 21st century as California's development of massive farms was in the 20th, agriculture experts say.

"We are doing all of this not only because it will be good for our business but because it will be good for everyone else," said Casey Houweling, president of Houweling Nurseries, the Canadian farming company that is cultivating tomatoes at the facility, which will be fully operational in June.

The son of a Dutch immigrant farmer, the 51-year-old Houweling has helped build his family's agricultural business into one of the largest greenhouse-based growers in North America. But the California facility is no ordinary hothouse.

On a recent afternoon, he was eager to show visitors clusters of plump, sweet tomatoes hanging overhead from vines that reach high into the rafters. This arrangement allows the farm's 450 permanent employees to climb ladders to pick the fruit instead of stooping.

The plants, which are fed individually through tubing that looks like intravenous hospital equipment, produces 20 times more fruit per acre than conventional field production.

Virtually nothing is wasted in this ecosystem. Workers have dug a 4-acre pond to store rainwater and runoff. This water, along with condensation, is collected, filtered and recirculated back to each of the 20-acre greenhouses. That has cut water use to less than one-fifth of that required in conventional field cultivation. Fertilizer use has been reduced by half. There are no herbicides and almost no pesticides, and there is no dust.

Five acres of photovoltaic solar cells supply much of the electricity to run pumps and climate controls. Thermal systems collect solar heat and warehouse refrigeration exhaust to warm the greenhouses on cool evenings. Together, the two systems generate 2.1 megawatts of electricity, enough to power 1,500 homes.

"We believe this is the first greenhouse in the world that is energy neutral," Houweling said.

Houweling envisions a day when greenhouses dot California's lush coastal plains, taking advantage of the abundant sunlight to grow thirsty crops such as lettuce and strawberries, using renewable energy to reduce their burden on the environment.

Until recently, that was a pipe dream. The cost of heating and cooling these structures was prohibitive for all but the most high-value specialty produce. The U.S. grows less than $1 billion worth of greenhouse fruits and vegetables annually.

But the rising expense of traditional farming is narrowing the cost gap. California farmers are coping with years of drought and fighting water wars with cities. They're also grappling with land degradation, an unstable migrant work force and rising shipping costs.

"We are closer to parity than we have ever been," said Gene Giacomelli, a professor of agriculture and biosystems engineering at the University of Arizona in Tucson.

Houweling's greenhouses are at the leading edge of the type of facilities farmers will increasingly rely on for production, Giacomelli said.

Designed by Kubo Greenhouse Projects, a Dutch company, the temperature- and humidity-controlled glass-sheeted farm is expected to produce 482 tons of tomatoes per acre, 15 percent more than Houweling's previous generation of greenhouses. The plants live far longer than field crops and are replaced every six months.

Check out this article or click on the link for more info:



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  1. Diane Daley 05/29/2009 12:36 AM
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Norma Toering Broker for Palos Verdes and Beach Cities
Charlemagne International Properties - Rancho Palos Verdes, CA
Palos Verdes Luxury Homes in L.A.

Since water is such a precious commodity in California this seems like a wonderful way to conserve it. 

May 28, 2009 03:37 PM #1
Monika Depalo
REAL ESTATE Agent/Stager

Dutch farming? 

I've been to Holland-beautiful place and many flowers and windmills and delicious cheese. 

Tell me if you like my blog because it has a photo of beautiful foliage and I just took the picture.

You will be eating good, that is for sure!  That is truly FRESH PRODUCE!

May 28, 2009 03:37 PM #2
John Mayer
Oikos Realty, Cape Canaveral, Cocoa Beach Florida - Cocoa Beach, FL
Your Beach Area Expert

Dinah Lee - A very informative and delicious post. This may be the way of the future.

May 28, 2009 03:48 PM #3
Maria Morton
Chartwell Kansas City Realty - Kansas City, MO
Kansas City Real Estate 816-560-3758

Dinah Lee, great article! I've often thought that we should all have a greenhouse attached to our home using the house within a house model. We would use less energy, get more oxygen into our home's air, and have great veggies!

May 28, 2009 04:07 PM #4
Caren Wallace
Premier Property Group LLC - Tualatin, OR
Portland Caren Real Estate

Dinah, this is very interesting and I am glad that the farmers are using solar energy and harnessing the suns rays in a way to generate better vegetables for our enjoyment and consumption!

May 29, 2009 12:58 AM #5
Terry Miller
Miller Homes Group - Tyler, TX
Miller Homes Group and Tyler Apartment Locator

Great news for all of us consumers. Good things without pestecides. I love it.

May 29, 2009 01:40 AM #6
Kathleen Frawley
Keller Williams 916 730-4404 Elk Grove, Wilton, Folsom, Sacramento - Wilton, CA
South County Sacramento, 916 730 4404

Loved this article, It's absolutely relevant for some of my clients here in California. Gotta love technology.

May 29, 2009 03:14 AM #7
Kristian Schonberg
Windermere Peninsula Properties - Allyn, WA

I have enjoyed eating hothouse tomatoes from British Columbia and have seen the many glass hothouses over the Frazier River Delta land on the drive to Point Roberts, Wa.  However, I am planting 2 tomato plants in front of my LakeLand Village home to see if the old way still works. 

May 30, 2009 08:30 AM #8
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Dinah Lee Griffey

Managing Broker Windermere Peninsula Properties
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