- AND FARM PRACTICES IN PRODUCING POTATOES. 
21 
T^.ble 10. — Cultural practices on 52 farms in Grand Traverse County, Mich. — Potatoes, 
1919. 
Operation. 
Farms. 
Num 
Per- 
cent- 
er 
■ 
Per- 
cent- 
er 
total. 
Most 
com- 
mon 
crew. 
Times 
over. 
Rate per 
day (once 
over). 
20.2 tons.. 
1 
1,7 acres... 
1 
11.7 acres.. 
1.3 
9.2 acres... 
2.8 
6.3 acres... 
2 
11.3 acres.. 
1.1 
13 acres... 
1 
12.1 acres.. 
1.4 
11.3 acres.. 
1.2 
2 acres 
1 
25 bushels. 
1 
5 acres 
1 
1.5 acres... 
1 
23 acres. .. 
1 
4.1 acres... 
4.3 
5.3 acres... 
4 
12.9 acres.. 
1.9 
. 
2.2 
12 acres... 
1 
4.5 acres... 
1 
14 acres. .. 
3.1 
3. 7 acres... 
2.5 
11.5 acres.. 
1 
3 acres 
2.5 
2 acres. ... 
1 
0.5 acre 
1 
1.1 acres... 
1 acre 
396 bushels 
159 bushels 
Hours per 
acre. 
Man. Horse. 
Manure 
Plow 
Harrow: 
Spike 
Spring 
Disk 
Rolling 
Floating 
Marking off 
Marking by hand 
Stone picking 
''uttin^seed 
Planting 
Planting by hand 
Hau'ingseed 
Cultivating: 
1 row,i horse 
1 row, 2 horses 
Spike tooth 
Spring tooth 
Rolling afterplanting. . 
Hoeing 
Spraying 
Spraying by hand 
Dusting 
Dusting by hand 
Digging 
Digging by hand 
Picking up 
Picking up. stone boat 
Hauling t o barn 
Hauling to market 
94 
l'N) 
63 
37 
4 
62 
33 
2 
100 
8 
92 
4 
40 
48 
46 
2 
33 
15 
77 
2 
4 
21 
81 
96 
4 
98 
100 
402 
497.5 
19.5 
493 
321.5 
176 
!■} 
294.5 
171 
8 
492.5 
45 
452.5 
23 
396 
232.5 
247.5 
231 
9 
174. 5 
108. 5 
362 
11.5 
11 
121 
372.5 
471.5 
22 
129,442 
152,853.5 
81 
100 
1-2 
1-2 
1-2 
1-2 
1-3 
1-2 
1-1 
2 
1 
1-2 
1-2 
1-1 
1-2 
1-2 
1-2 
1-2 
1 
1-2 
1 
1-2 
1 
1-2 
1 
1 
1-1 
1-2 
1-2 
10 
6 
1.3 
3.2 
3.2 
1 
1 
1.2 
2.3 
5 
5.1 
2.6 
7.1 
.4 
10.7 
7.6 
1.9 
2.5 
.9 
3.8 
2.2 
9.5 
1 
10 
5.7 
27.9 
14.7 
10.2 
4.3 
9.6 
16.3 
13.2 
10.7 
1.5.2 
3.4 
.';.6 
1.8 
4.2 
13.6 
10.2 
8.2 
18. 9 
1 Bushels. 
