CELERY STORAGE EXPERIMENTS. 
21 
in the standard crate. The bottom tier contained 64.9 per cent of 
sound celery and the top tier only 6.2, a difference in favor of the 
former of 58.7 per cent. A study of Tables XIV and XV shows 
that the great difference in the keeping quality of celery stored at 
different heights, as shown in Table XIII, is due largely to the 
standard crate. In other words, with the small crates and the 
partition crates the difference between the different tiers is not great. 
The difference in the keeping quality of celery at various heights 
in the storage room and in the several types of crates is probably 
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Fig. 7. — Diagram showing the temperature of celery in the center of standard crates at 
different heights in the storage room, during the storage period from October 26, 1915, 
to January 21, 1916. 
clue to differences in temperature. Figure 7 shows graphically the 
difference in the temperature of celery in the standard crates stored 
at different heights in the storage house in 1915-16. The tempera- 
ture was recorded by means of air-soil thermographs, the soil bulb 
being placed in the center of the crate. Table XVI shows the 
average temperature of the celery in the standard crates and of the 
air at different heights in the storage room for the storage period 
from October 26, 1915, to January 21, 1916. 
Table XVI. — Average temperature of celery in the standard crates and of the 
air hi the storage house at Hornell, N. Y., from October 26, 1915, to January 
21, 1916. 
Tier. 
Temperature (°F.). 
Of celery. 
Of air. 
First (bottom) 
33.9 
35.8 
36.6 
31.6 
Third 
32.8 
Fifth (top) 
33.8 
Table XVI shows that the average temperature of the celery in 
the third tier was 1.9 degrees higher and that in the fifth was 2.7 
degrees higher than that in the first tier. The temperature of the air 
was 1.2 degrees higher in the third and 2.2 degrees higher in the fifth 
tier than in the first tier. By comparing the air temperature and the 
