Specialists say maple producers should be very careful if they have to set taps in very cold weather. Tim Perkins of the University of Vermont Proctor Maple Research Center said besides damaging the growth layer of the tree, tapping in extreme cold can reduce sap yield by creating a leak. Perkins said not every producer will be out this early, but large operations with more than 10,000 taps ‘‘need to go out’’ because it is a time-consuming process. Kyle Branon of Branon Family Maple Orchards said trees can withstand this kind of cold but tapping them during extreme cold risks creating cracks.
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