12 
BULLETIN 1471, U. S. DEPARTMENT OF AGRICULTURE 
Table 8. — Relationship "between test weight per hushel and oil content * of north- 
western<-grown flaxseed for the crop years 1920 to 1924, inclusive 
Crop year 
Test weight per bushel 2 in pounds 
44 to 
44.99 
45 to 
45.99 
46 to 
46.99 
47 to 
47.99 
48 to 
48.99 
49 to 
50 to 
50.99 
51 to 
51.99 
52 to 
52.99 
53 to 
53.99 
54 to 
54.99 
Per 
cent 
oil 
Per 
cent 
oil 
Per 
cent 
oil 
Total number of samples 
Average percentage of oil 
Maximum percentaTe of oil 
Minimum percentage of oil 
Range in oil content 
Per 
cent 
oil 
1 
38.59 
38.59 
38.59 
Per 
cent 
1921 
Total number of samples. . - 
Average percentage of oil 
Maximum percentage of oil. 
Minimum percentage of oil. 
Range in oil content 
36. 56 
39. 26 
32.00 
7, 
1922 
Total number of samples 
Average percentage of oil 
Maximum percentage of oil.. 
Minimum percentage of oil. . 
Range in oil content 
5 
35. 56 
37.25 
35.67 
1.58 
1 
36.17 
36.17 
36.17 
37.19 
38.50 
34.31 
4.19 
11 
36.72 
38.56 
34.62 
3.94 
1923 
Total number of samples, . . 
Average percentage of oil . . . 
Maximum percentage of oil. 
Minimum percentage of oil. 
Range in oil content... 
2 
37.47 
38.23 
36.70 
1.53 
25 
37.72 
39.05 
35.35 
3.70 
3 
37.70 
38.60 
36.69 
1.91 
14 
37. 
39.11 
36.95 
2.16 
1924 
Total number of samples. . . 
Average percentage of oil. _ . 
Maximum percentage of oil. 
Minimum percentage of oil. 
Range in oil content 
2 33 
39. 04 38. 14 37. 22 
39.38 39.01 38 
38.70 36.92 36,17 
2. 09 2. 42 
Average of all crop years. 
Total number of samples. . . 
Average percentage of oil. . . 
Maximum percentage of oil. 
Minimum percentage of oil. 
Range in oil content. 
36. 
39.26 
32.00 
35.87 
36.71 
35.92 
.79 
38.12 
38.94 
36.50 
2.44 
17 
37.73 
38.59 
36.70 
1.8 
45 
37.61 
38.84 
36.29 
2.55 
Per 
cent 
oil 
2 
36.80 
36. 82 
54 
36.89 
40.39 
34.10 
6.29 
13 
37.07 
38.17 
35.11 
3.06 
25 
37.34 
38.99 
34.18 
4.81 
37.90 
39.38 
36.44 
2.94 
103 
37.19 
38, 
35.32 
Per 
cent 
oil 
15 
36.39 
38. 
35.01 
3.85 
125 
40.69 
32.61 
37.62 
40.85 
35.14 
5.71 
83 
37.66 
40.28 
27.96 
12. 32 
50 
37.61 
41.23 
35.26 
5.9' 
353 
37.19 
40.38 
33.20 
7.18 
Per 
cent 
oil 
59 
36.12 
39.38 
32.71 
6.67 
211 
36.79 
40.31 
34.00 
6.31 
219 
37.40 
41.64 
33.9 
7.6 
188 
37.4 
40.3 
33.9: 
6.44 
125 
37.72 
43.32 
32.87 
10.45 
802 
37.10 
41.00 
33.49 
7.51 
Per 
cent 
oil 
64 
36.80 
40. 
34.17 
6.51 
95 
36.62 
39.32 
33.80 
5.52 
222 
37.20 
40.5 
29.94 
10.63 
205 
37.20 
41.15 
34.61 
6.54 
179 
37.22 
42.96 
33.26 
9.70 
765 
37.01 
40.93 
33.15 
7.78 
Per 
cent 
oil 
14 
37.61 
40.31 
36.85 
3.46 
23 
35.0 
37.6 
33.76 
3.84 
34 
37.05 
39.50 
34.08 
5.42 
36.65 
40.16 
33.55 
6.61 
39 
36, 
39.18 
32.73 
6.45 
170 
36.61 
39.35 
34.19 
5.16 
Per 
cent 
oil 
2 
34.23 
34. 49 
33.96 
.53 
2 
37.64 
38.26 
37.03 
1.23 
35.61 
38.34 
33.63 
4.71 
35.83 
37.03 
34.87 
2.16 
1 Oil content on moisture basis of sample as received at Minneapolis or Duluth, Minn. 
2 Winchester bushel, 2,150.4 cubic inches. 
3 Beginning Sept. 1. 
The data in Table 8 are evidence enough that the test weight per 
bushel determination is of little significance as an index to the oil 
content of flaxseed. As much oil w-as found in samples weighing 
48 pounds to the bushel as was present in seed testing 50, 51, and 52 
pounds to the bushel. In fact, there is a tendency for samples of 
very high test weight to contain less oil than flaxseed of lesser weight 
per bushel. On the average, the oil content of flaxseed weighing 47 
to 53 pounds in 1-pound increments contained practically the same 
quantity of oil. The maximum oil content found in single samples 
testing 50, 51, 52, and 53 pounds to the measured bushel was higher 
