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The lines on figure 5 indicate Mickey Mouse Birthday 2020 Quarantine T-Shirt .the average dates of the first killing frost in the fall, and these dates, given at the ends of the heavy lines, are of direct value to the beekeeper as giving the proper time for putting on the winter cases. tshirtclassicThe average dates of the last killing frost in the spring do not show exactly the same lines on the maps, but the differences are not sufficiently great to justify the use of a separate map for this purpose. The authors have chosen therefore to divide the country into the zones indicated, and the recommendations given below apply to each of the zones shown.Great confusion has existed among beekeepers as to the right time to pack the bees for winter, and especially as to the right time to remove the packing in the spring. It is quite possible to give definite directions for both procedures and to place the recommendations on a firm foundation by basing them on weather phenomena. The maps (figs. 5 and 6), showing the time of the first average killing frost in the fall, serve as a basis for the recommendations for each « 15 » of the zones into which the map of the eastern United States is divided.
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Furthermore, a well-packed colony does not need so large an entrance for ventilation as does one that is not packed or which has not enough packing Mickey Mouse Birthday 2020 Quarantine T-Shirt .If snow drifts over the small entrance here described, the beekeeper need have no anxiety, for the bees can still receive adequate ventilation. If a crust of ice closes the entrance it will be well to break it, but usually the escaping heat will melt this ice before any damage is done.Furthermore, a poorly packed colony will not be able to carry out the bees as they die,and the death rate will be higher; and these things combined may result in an accumulation of dead bees at the entrance, which will serve to suffocate the remaining bees. A colony that is well packed, however, is able to remove all dead bees as fast as they die, and there will never be an accumulation on the floor of the hive.
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