MINNEAPOLIS (AP) — The federal government has spent millions of dollars to help farmers nationwide buy greenhouse-like structures called high tunnels that can add valuable weeks and even months to their growing seasons by protecting produce from chilly temperatures.

About $13 million has gone to more than 2,400 farmers in 43 states to help pay for the low-tech tunnels that look like a cross between Quonset huts and conventional greenhouses. The structures, also known as hoop houses, have been particularly beneficial in the north, where they allow farmers to plant as much as four weeks early and keep growing later in the fall.

The U.S. Department of Agriculture touts the tunnels as environmentally friendly and a way to help meet the demand for local and sustainable produce. Experts say high tunnels employ efficient drip irrigation systems and reduce pest problems, diseases and fertilizer costs.

One of the biggest advocates is Terry Nennich, an extension educator at the University of Minnesota-Crookston, who first learned of them on a 1999 trip to Normandy in northern France. Few U.S. farmers were using high tunnels then, he said.

The French are “kind of light years ahead of us,” Nennich said. “People there are more concerned about their food and pesticides and quality and freshness. Their climate isn’t as severe in the wintertime but they don’t have a lot of heat up there in the summer.”

High tunnels typically consist of a series of hoops covered with plastic that can be rolled up on the sides to allow air circulation. Prices vary by size, but they often cost just a few thousand dollars. The USDA does not keep statistics on their use or how much produce is grown in them.

They have been a “game changer” for Earl Snell, who grows organic heirloom tomatoes in two tunnels near Skipperville in southeastern Alabama.

Snell said he now can grow the tomatoes year-round and compete with southern Florida farmers, who usually produce most of the nation’s winter tomatoes. An usual, severe freeze in Florida this year has damaged crops and pushed up produce prices.

“I got some nice looking tomatoes right now. And of course everything is up, so we’re hitting the market just perfect here,” Snell said.

To promote high tunnels, the USDA’s Natural Resources Conservation Service started a three-year pilot program through its “Know Your Farmer, Know Your Food” initiative. It provided $13 million in the fiscal year that ended last Sept. 30, and more money is available this year.

USDA Deputy Secretary Kathleen Merrigan said the program supports the agency’s mission in helping small- and mid-sized farms thrive and in encouraging sound conservation practices. She said interested farmers should contact their local NRCS offices.

“It really is a great opportunity for farmers who want to extend their season and add some money to their bottom line,” Merrigan said.

Tomatoes are probably the most profitable high tunnel crop, but cucumbers and peppers also generate good return, said Karl Foord, a University of Minnesota extension educator in Farmington. Farmers and researchers nationwide also use high tunnels for strawberries, raspberries, melons, salad greens, onions, sweet corn, ginger and flowers.

Mark Boen just added his eighth high tunnel at his farm near Fergus Falls in northwestern Minnesota, where he describes the weather as “winter, winter, winter.”

He plans to use his newest tunnel to start growing romaine lettuce far earlier in the spring than he could otherwise. He said the tunnels have increased his tomato production, and the fruit is ready at least a month earlier than normal. Boen can harvest cucumbers almost two months early.

“The season is so short that high tunnels really make a difference,” he said.

His high tunnels are relatively large at 30 feet by 96 feet. Each of the four he uses for tomatoes hold about 450 plants, which he said yield an average of about 50 pounds per plant per season. That adds up to about 22,000 pounds per tunnel and a nice income. He sells most of his produce directly to consumers.

Snell’s primary crops were peanuts and watermelons before he built his high tunnels last winter. His hold about 400 tomato plants each, and he sells to restaurants, grocers and consumers. He said he and his wife are so pleased they plan to add three more.

While the federal program typically covers about half of the cost of a high tunnel, Snell, who is African-American, qualified under a provision for “historically underserved producers” that picks up 75 percent to 90 percent.

“I couldn’t have done it without them. . . . It’s saved us,” Snell said.

(© Copyright 2011 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)

Comments (11)
  1. andrew says:

    Smart, appropriate technology application that is green and sustainable. Well done.

  2. Lynn says:

    Good use of our taxes 🙂

  3. Kally says:

    and how much would a tomato cost if the farmer was paying for the hoop thing and getting his monet back and not having the government give him our tax money? Not saying this is a bad thing just wondering… $20 a tomato?

    1. Andrew says:

      These things cost at most $10,000 and last for years, producing probably hundreds of thousands of tomatoes at least each. Pennies per tomato at most, likely much less. It’s the upfront large cost that most can’t afford.

      1. Andrew says:

        Duh – I should have looked at the production numbers in the article. 22,000 pounds per tunnel, lets say a half pound per tomato (probably generous), is 44000 tomatoes per year, times 10 years lifetime of the tunnel (again, generous) means about a half million tomatoes per tunnel. I looked up the cost, and they are $5000 each. So we are talking a penny per tomato to have fewer pesticides, herbicides, and a longer growing season.

        Not bad.

  4. Jj says:

    Tired of the public perception that MN farmers are poor. If any crops are lost while using these huts, there will be even more tax profit for the land owners. I know too many poor wealthy farmers.

    1. Andrew says:

      Then agitate with your congressman to put an income limit on any farm aid. More than well-off individual farmers, the VAST majority of the farm subsidies and insurance payouts go to big agribusiness. That’s why it has staying power. Individual farmers don’t have political clout anymore.

  5. Kevin says:

    Absolutely excellent idea and without a doubt well worth the money.

    I did something similar in my own garden – at least the same concept. I covered my lettuce with large transparent storage boxes before the frost hit. Even when night temps went down into the low 20’s and teens, the lettuce kept growing. I was harvesting way into November which was very cool. In fact there was snow on the ground when I finally picked the last of it.

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