North American Fruit Explorers mailing list at ibiblio

[Bernie Nikolai <Nikolai@v-wave.com>]

At 12:06 PM 6/1/01 -0000, you wrote:
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>>From: Bernie Nikolai <Nikolai@v-wave.com>
>.  Minimum soil temperatures at 1 ft. under the soil hit
>>-14.1C.  All Siberian Crab and all Ranetka came through undamaged.
>
>Bernie, do you measure ground temperature, or are the figures you quote from 
>research stations? I'm wondering what kind of thermometer is used.
>Mn. Del

Del, the temperatures are supplied by the local Alberta Provincial
Government Agricultural test station in north east Edmonton.  I don't know
what kind of thermometer, but its hooked up to a computer that gives a
printout on an hourly basis if you want it at several debths.  I usually
only want the absolute minimum temperatures reached in the root zone, say 6
to 18 inches deep.
Bernie
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