30 BULLETIN 1271, U. S. DEPARTMENT OF AGRICULTURE 
Table 18. — Man-labor requirements per acre, by operations for barley, 1921 
Acres 
per 
farm 
Yield 
Plowing 
Disking 
Harrowing 
Farm No. * 
Total 
Times 
over 
Total 
Times 
over 
Total 
Times 
over 
21 
8 
30 
20 
15 
Bushels 
16 
21 
34 
34 
28 
14 
31 
Hours 
Hours 
0.60 
.88 
1.18 
1.00 
2.00 
1.96 
Hours 
0.20 
.48 
.42 
.72 
.49 
.60 
.54 
1.00 
2 00 
2 . --- -- 
1.37 
.37 
1.91 
1.06 
.97 
1.40 
•0.60 
. 14 
1.00 
.49 
.47 
.57 
. . . 
1 18 
1 
3 00 
Average: 
4 farms, 1921 .. ._ 
.75 
.60 
.46 
1.47 
.93 
.36 
1 87 
6 farms, 1920 
2 00 
5 farms, 1922. ... 
1 74 
Farm No. l 
Seeding 
Cutting 
Shocking 
Stacking 
Stack 
threshing 
Shock 
threshing 
Total 
21 
Hours 
0.59 
.44 
.66 
.51 
.53 
.49 
.50 
Hours 
1.44 
1.01 
1.05 
.82 
1.03 
.62 
.66 
Hours 
0.78 
.84 
1.66 
1.64 
1.22 
.88 
1.12 
Hours 
1.83 
Hours 
0.91 
Hours 
Hours 
6.35 
2 
2.39 
2.86 
3.34 
2.75 
2.77 
2.24 
7.41 
6 
8.20 
1 
8.94 
Average: 
4 farms, 1921 
6 farms, 1920 
1.83 
2.45 
2.97 
.91 
. 77 
1.02 
2 7. 83 
2 6 93 
5 farms, 1922 . 
1 6.92 
> Farms are arrayed in order of total man-labor requirements, beginning with the lowest. 
2 Total is for shock threshing. Total hours per acre for stack-threshed barley in 1921 was 7.82. 
Table 19. — Horse-labor requirements per acre, by operations for barley, 1921 
Acres 
Plowing 
Disking 
Harrowing 
Farm No. i 
per 
farm 
Yield 
Total 
Times 
over 
Total 
Times 
over 
Total 
Times 
over 
21 
8 
30 
20 
15 
Bushels 
16 
21 
34 
34 
28 
14 
31 
Hours 
Hours 
2.31 
3.52 
4.74 
1.00 
2.00 
1.96 
Hours 
0. 60 
1.92 
1.70 
2.88 
1.89 
2.32 
2.09 
1.00 
2 
5.50 
1.83 
7.64 
4.33 
3.71 
5.73 
0.60 
.14 
1.00 
.49 
.47 
.57 
2.00 
6 
1. 18 
1 
3 00 
Average: 
4 farms, 1921. ... .. 
3.00 
2.40 
1.85 
1.47 
.93 
.96 
1 87 
6 farms, 1920... 
2.00 
5 farms, 1922 
1.74 
Farm No. > 
Seeding 
Cutting 
Stacking 
Stack 
threshing 
Shock 
threshing 
Total 
21 
Hours 
1.18 
1.55 
2.45 
2.04 
1.86 
1.62 
1 71 
Hours 
5.76 
4.04 
4.20 
3.28 
4.11 
2.53 
a. Rfi 
Hours 
1.83 
Hours 
1.04 
Hours 
Hours 
12. 72 
2 
3.91 
4.09 
6.28 
4. 51 
4.70 
a as 
20.44 
6. 
19.01 
1 
22. 12 
Average: 
4 farms, 1921 
1.83 
2.01 
3 51 
1.04 
.56 
1 K1 
2 19 70 
6 hrms, 1920 
1 17.28 
5 farms, 1922... 
J 18 07 
1 Farms are arrayed in order of total man-labor requirements, beginning with the lowest. 
• Total is for shock threshing. Total hours per acre for stack-threshed barley in 1921 was 18. 
