44 BULLETIN 3, TJ. S. DEPARTMENT OF AGRICULTURE. 
Table XLYII. — Summary of work factors for operations with field implements — Con. 
Operation or implement. 
Power 
unit 
(number 
of 
horses). 
Dailv I 
duty | 
per 
foot of 
width. 
Range of reported widths. 
1 Most 
; usual 
width 
per 
horse. 
Grain drill. 
Corn or cotton planter: 
l-row 
Do 
2-row 
Covering seed potatoes I 
Marking planting rows . 
Potato planter: 
1-man 
2-man 
Lime spreader 
Fertilizer drill 
Field sprayer. 
Mowing hay . . 
Raking hay.. 
Tedding hay. 
Grain binder. 
Grain header. 
Corn binder. 
Cultivating. 
Knapsack sprayer.... 
Wheelbarrow seed sower . 
Hand corn planter 
Acres. 
1.40 
1.50 
1.75 
4 to S feet . 
6 to 10 feet. 
6 to 12 feet. 
1.90 I 8 to 12 feet. 
2.20 
3.00 
2.00 
2.50 
1.50 
2.00 
36 to 4S inches between rows. 
^24 to 32 inches between rows. 
{ 2 10 } 24 t0 32 mcnes between rows { 
2.35 
2.10 
1.10 16 to 12 feet. 
1. 30 5 to 10 feet I 
1.40 J 6 to 12 feet 
J" 25 }3 to 4 rows each trip ' 
L60 ! 4 to 7 feet 
6 to 12 feet 
8 to 16 feet 
6 to 8 feet 
6 to 10 feet 
4 to 7 feet I 
5 to 8 feet 
5toSfeet 
10 to 12 feet 
10 to 12 feet | 
12 to 14 feet 
Rows 36 to 48 inches (average yields). 
1.50 
1.60 
1.40 
1.70 
1.85 
2.15 
2.25 
2.10 
2.20 
2.30 
2.00 
4.25 
6.75 
1.00 
1.40 
1.30 
10 to 16 feet 
36 to 4> inches between rows. 
Feet. 
3.25 
2.50 
2.25 
1.75 
3.00 
1.50 
1.50 
2.00 
2.33 
3.00 
6.00 
2.33 
2.33 
4.00 
3.00 
2.66 
11.00 
6.00 
2.50 
9.00 
6.00 
7.00 
4.25 
2.00 
2.00 
1.66 
3.00 
2.25 
2.33 
1.50 
ADDITIONAL COPIES of this publication 
-£A may be procured from the Superintend- 
ent of Documents, Government Printing 
Office, Washington, D. C, at 10 cents per copy 
