Some Effects of Freezing on Onions |
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24 hours 25 per cent actual freezing apparently Arlington Experiment Farm average freezing point basket bushel of onions cent injured center common storage conducted to study cooled crate lot crop is held early-maturing lot exposure EXTENT OF FREEZING freezing commenced freezing room frozen Globe Danvers onions Globe onions grown globe type held at 22 held at 50 held in cold hours showed injured by freezing INJURY AS AFFECTED injury found late-maturing lot removed mature Southport onions stored onions were spread placed in storage point of onions points of mature probable freezing point reached a temperature reached an undercooled recorded minimum regular 32 remain undercooled RESISTANCE TO FREEZING room held Rosslyn showed freezing injury slat crate containing South Bend Southport Yellow Globe specimens standard slat crate STORAGE TEMPERATURES stored at 40 sudden jarring temperature of 22 temporary depression test thermocouple inserted tieth hour undercooled temperature Yellow Globe Danvers YELLOW GLOBE ONION