Jan 10, 2015 3:19 PM

UNH researchers grow onions in tunnel-like setting

The Associated Press

DURHAM, N.H. (AP) - University of New Hampshire researchers have been growing onions offseason under inexpensive, low tunnels, for a spring harvest.

They say their research may provide additional marketing opportunities for growers in cold climates who have been trying to meet the demands for fresh, year-round, locally grown produce.

New Hampshire Agricultural Experiment Station researcher Becky Sideman said in recent years plants have been seeded in August and September and transplanted by October into raised beds covered with black plastic mulch. Low tunnels were installed over the plants in late fall. Onions were harvested from mid-April to early June 2012 and late May to early July 2013.

The researchers found that all onion cultivars showed high percentages of survival, between 65 and 100 percent.


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