CULTURAL DIRECTIONS 



399 



extremely cold weather the ventilator openings and 

 doors should be kept closed, to keep out cold, and after 

 the onions have become thoroughly chilled the house 

 should be kept closed in order to hold the temperature 

 down and prevent the entrance of moisture during warm 

 or rainy periods. Damp, foggy weather is injurious to 

 onions, especially if it follows a period of cold, and will 

 cause the bulbs to become covered with moisture if the 

 outside air is admitted. A little artificial heat from a 



FIG. 95. ONIONS STORED IN CRATES 



stove or a radiator may be required during excessively 

 cold weather, but so long as the temperature in the 

 house does not fall below 33 degrees there will be no 

 danger of injury. A temperature of 34 to 36 degrees will 

 give best results." 



The crates previously referred to are 20 inches long, 

 16 inches wide and 14 inches deep, outside measure- 

 ments. They are made of slats ^-inch thick and 2^ 

 inches wide, four pieces forming the side. The slats are 



