FARM STORAGES FOR APPLES 



10 ZO 30 40 bQ 60 70 30 90 100 110 120 \30 14 150 160 \I0 l«0 IW 200 



DAY6 Of 5T0l^AGE 

 Figure 4. Loss of Weight of Apples Stored at Various Humidities. 



Ventilation 



As apples ripen the\' give off consicieral^le ([uantities of carbon dioxide and 

 smaller amounts of other gases. Unless these gases are removed as they are 

 produced, they tend to accumulate in relatively high concentrations around the 

 apples to the exclusion of oxygen, which is essential to the normal respiration of 

 the fruit. These conditions may impart undesirable flavors to the fruit and 

 promote the development of apple scald. Consequently, every storage house 

 should be provided with some means b\- which fresh air may be introduced into 

 the rooms. 



TYPES OF STORAGE 



common 



mechanically 



Farm storages are of two classes: air-cooled or 

 cooled or "cold." 



Air-cooled storages are always located on the farm. They aie usualh- small in 

 size and inexpensive to build and maintain. The grower whose production and 

 market conditions are satisfied by air-cooled storage is not justified in construct- 

 ing a more expensive type. Temperatures normally obtained in common storages 

 in New England and temperatures maintained in refrigerated storages are shown 

 in Figure 5. 



70 



50 



ZQ 



SEPT OCT NOV DtC JAN 



Figure .5. Ground, Air, and Storage Temperatures. 



