— 22 — 
Name. 
j Where grown. 
Times 
irrigated. 
Per cent, 
sugar. 
Coefficient 
of purity. 
Vilmorin Imperial 
San Luis Valley. 
13.55 
85.3 
Vilmorin Imperial 
14.08 
87.1 
Vilmorin 
(College Farm. 
15.40 
79.0 
Vilmorin 
14.78 
79.7 
Vilmorin 
16.63 
80.0 
Silesian 
14.42 
83.9 
Red Skinned 
15.16 
81.4 
Vilmorin Imperial 
16.13 I 
84.5 
Lane’s Imperial 
* 
16.50 I 
86,9 
Vilmorin White 
“ 
18.59 1 
89.0 
Neise Imperial 
19.37 
90.6 
Vilmorin Imperial 
“ 
16.52 
86.1 
Vilmorin 
18.90 ' 
84.3 
The last thirteen analyses were made at the Department of Agriculture, Washington, D.C. 
The record is not complete enough to justify more than 
the general statement that an excess of water is as detri- 
mental to the yield of sugar as a lack of water. The record, 
so far as it goes, shows that those beets which received two 
~ and three irrigations contain the highest average percent- 
age of sugar, while those which received one and five, stand 
quite close to each other, and are much lower than those 
which received two and three irrigations. There are some 
pronounced exceptions to this, particularly in some instances 
in which the plants received five irrigations. Out of eight 
samples, furnished by the Arkansas Valley Station, each 
plat having received five irrigations, five of them showed 
less than g per cent, of sugar, and none of them reached 14 
per cent, of sugar ; whereas, the samples from this Station, 
grown with fewer irrigations, show from 12 to 21 percent. 
With one irrigation only, the percentage of sugar varies 
between 6 and 11 per cent., with one exception, which 
reaches 15.17 percent. 
The average percentage of sugar in beets grown on the 
College Farm, and analyzed in this laboratory, is 12.8 per 
cent.; but in 1893, heavy rains during the latter part 
of September and in October, immediately prior to harvest- 
ing the beets. The average percentage of sugar, as deter- 
mined in seventeen samples, was 10.24 per cent., with a co- 
efficient of purity ranging from 44.36 to 76.30. In one only 
did the coefficient of purity reach 81.13. 
