28 BULLETIN 1188, U. S. DEPARTMENT OF AGRICULTURE. 
Table 28. — Range in horse hours per acre — Potatoes, 1919 (manuring). 
1 to 4 hours. 
5 to 7 
hours. 
8 to 10 hours. 
Over 10 hours. 
Aver- 
age 
County. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
hours 
all 
farms. 
Clay 
11 
5 
5 
11 
10 
18 
5 
3 
35 
26.8 
9.4 
11.9 
22.5 
20.8 
35.3 
10.2 
6.1 
66.0 
12 
4 
10 
11 
14 
15 
12 
11 
9 
29.3 
7.5 
23.8 
22.4 
29.2 
29.4 
24.5 
22.5 
17.0 
9 
18 
9 
14 
11 
8 
15 
13 
8 
22.0 
34.0 
21.4 
28.6 
22.9 
15.7 
30.6 
26.5 
15.1 
9 
26 
18 
13 
13 
10 
17 
22 
1 
21.9 
49.1 
42.9 
26.5 
27.1 
19.6 
34.7 
44.9 
1.9 
5.9 
10 8 
Barron 
Waupaca 
9.4 
7.8 
9.2 
6.6 
8 3 
Grand Traverse 
Monroe 
Aroostook 
10.5 
3.3 
Table 29. — Range in horse hours per acre — Potatoes, 1919 (preparation). 
County. 
1 to 15 hours. 
16 to 20 hours. 
21 to 25 hours. 
Over 25 hours. 
Aver- 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
age 
horns. 
Clay. .. 
32 
23 
4 
15 
7 
3 
6 
72.7 
44.2 
9.3 
31.3 
17.0 
5.6 
12.2 
6 
8 
11 
19 
12 
12 
9 
2 
12 
13.6 
15.4 
25.6 
39.6 
29.3 
22.2 
18.4 
4.3 
25.0 
4 
11 
8 
11 
12 
13 
18 
5 
9 
9.1 
21.2 
18.6 
22.9 
29.3 
24.1 
36.7 
10.9 
18.8 
2 
10 
20 
3 
10 
26 
16 
39 
22 
4.6 
19.2 
46.5 
6.2 
24.4 
48.1 
32.7 
84.8 
45.8 
16.7 
21.7 
26 4 
18.3 
Montcalm 
22.9 
26.9 
22.5 
33.2 
5 
10.4 
24.4 
Table 30. — Range in horse hours per acre — Potatoes, 1919 (planting). 
1 hour 
and less. 
2 to 3 hours. 
4 to 5 hours. 
Over 5 hours. 
Aver- 
County. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
age 
hours. 
Clay 
8 
23 
17 
14 
5 
8 
14 
2 
18.2 
43.4 
36.2 
28.0 
10.4 
21.6 
28.0 
4.1 
25 
25 
18 
8 
4 
3 
9 
19 
3 
56.8 
47.2 
38.3 
16.0 
8.3 
8.1 
18.0 
38.8 
7.0 
11 
1 
8 
6 
2 
25.0 
1.9 
17.0 
12.0 
4.2 
4.7 
Anoka 
Barron 
Waupoca 
4 
4 
22 
37 
26 
12 
7.5 
8.5 
44.0 
77.1 
70.3 
24.0 
3.0 
3.8 
2.6 
1.5 
1.1 
Steuben 
Monroe 
15 
28 
40 
30.0 
57.1 
93.0 
4.3 
6.0 
Aroostook 
8.7 
Table 31. — Range in horse hours per acre — Potatoes, 1919 (spraying) . 
i 1o 2 hours. 
3 to 4 hours. 
5 to 6 hours. 
Over 6 hours. 
Aver- 
County. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
Num- 
ber. 
Per- 
centage. 
age 
hours. 
Clay. . 
47 
26 
8 
6 
12 
4 
5 
7' 
1 
95.9 
48.1 
38.1 
100.0 
36.4 
44.5 
33.3 
36.8 
1.7 
2 
16 
5 
4.1 
29.6 
23.8 
0.9 
Anoka 
9 
3 
16.7 
14.3 
3 
5 
5.6 
23.8 
3.4 
Barron 
2.0 
0.2 
10 
2 
7 
4 
2 
30.3 
22.2 
46.7 
21.1 
3.5 
3 
2 
9.1 
22.2 
8 
1 
3 
3 
35 
24.2 
11.1 
20.0 
15.8 
60.3 
3.0 
1.1 
1.6 
Monroe 
5 
20 
26.3 
34.5 
1.8 
Aroostook 
7.5 
