. Cranberries; : the national cranberry magazine. Cranberries. Mass. Cranberry Station and Field Notes by J. RICHARD BEATTIE Extension Cranberry Specialist. Some Winterkill A highly acceptable respite in weather conditions was enjoyed after the first week in January. Temperatures failed to drop be- low zero, snowfall has been neg- ligible, and while Januaiy was a cold month, averaging approxi- mately half a degree per day be- low normal, it was a far cry from the frigid weather experienced in December. However, the severity of the cold spell en- countered January 5-7 will not soon be forgotten
. Cranberries; : the national cranberry magazine. Cranberries. Mass. Cranberry Station and Field Notes by J. RICHARD BEATTIE Extension Cranberry Specialist. Some Winterkill A highly acceptable respite in weather conditions was enjoyed after the first week in January. Temperatures failed to drop be- low zero, snowfall has been neg- ligible, and while Januaiy was a cold month, averaging approxi- mately half a degree per day be- low normal, it was a far cry from the frigid weather experienced in December. However, the severity of the cold spell en- countered January 5-7 will not soon be forgotten when temper- atures averaged well below freez- ing and gale winds lashed the en- tire area. George Rounseville and "Joe" Kelley have examined a number of bogs exposed to these winter-killing conditions and re- port that there is some damage as evidenced by an "off-color" ap- pearance of the vines, plus some leaf drop. The extent of the damage will not be known until the vines begin to "green up" this spring. The comment has been made by some experienced grow- ers that if exposed bogs were not damaged during the above period, the use of water during the winter months is highly questionable. Time will tell. Oxygen Deficiency Apparently oxygen deficiency conditions have not become crit- ical on an extensive acreage. We base this point on the numerous tests made by Richard Kiernan of the A. D. Makepeace Company, who has collected considerable in- formation on this subject during the winter months. He has found that the oxygen content on some flooded bogs has dropped to a critical point but the water was immediately removed to correct the problem. The acreage in- volved has been limited. We ap- preciate the information received from Mr. Kiernan. Vine Pulling There is another point regard- ing winter that cannot be appraised at this time. We are referi'ing to "vine-pullinii,'" damage that occurs when vines are frozen into the ice
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