- 6 - 



apples were held at 

 10% and the CO 

 ture was raise 

 the COo at 4%. This 



32°F 



^ dropped to 

 a to 38°F. 



for the 

 2-3%. 

 The Op 

 observation 



next 15 days. The Oj now rose to 



After this period, the tempera- 

 percentage leveled off at 6% and 

 confirms the recommendation that 

 work best. Our observation was 



temperatures somewhat above 32"F 



that the window did not properly work after a 2 week period at 



Whether this was because of condensed water was not clear. 



32°F 



_L 



_L 



10 20 

 — DAYS AT 38 



10 

 32»F 



10 20 

 -^DAYS AT 38" F- 



Figure 2. Oxygen levels in pallet cover and window at 38 and 

 with Mcintosh apples. 



32°F 



Our tentative evaluation of these "CA pallet covers" follows. 

 When the right quantity of apples and the right temperature were 

 used, surprisingly good atmospheres were obtained. For use in 

 caves, as is done in France, they seem quite logical. 



We do not see the practicality for their use 

 storages for the following reasons. 



in American cold 



