﻿44 BULLETIN 3, U. S. DEPARTMENT OF AGRICULTURE. 



Table XL VII. — Summary of work factors for operations with field implements — Con. 



Operation or implement. 



Power 



unit 



(number 



of 



horses). 



Daily 

 duty 

 per 

 foot of 

 width. 



Range of reported widths. 



Most 

 usual 

 width 



per 

 horse. 



Grain drill. 



Corn or cotton planter: 



1-row 



Do 



2-row 



Covering seed potatoes . 



Marking planting rows . 



Potato planter: 



1-man 



2-man 



Lime spreader '.. 



Fertilizer drill 



Field sprayer . 



Mowing ha j* . . 

 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 

 1.90 



2.20 

 3.00 

 3.75 

 2.00 

 2.50 

 1.50 

 2.00 



2.35 

 2.10 

 1.10 

 1.30 

 1.40 

 1.10 

 1.25 

 1.60 

 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 



4 to 8 feet.. 

 6 to 10 feet. 

 6 to 12 feet. 

 8 to 12 feet. 



36 to 48 inches between rows. 



s-24 to 32 inches between rows. 

 & to 12 feet 



J-24 to 32 inches between rows . 



6 to 12 feet 



5 to 10 feet 



6 to 12 feet , 



\z to 4 rows each trip 



4 to 7 feet 



6 to 12 feet 



8 to 16 feet 



6 to 8 feet 



6 to 10 feet 



4 to 7 feet 



5 to 8 feet 



5 to 8 feet 



10 to 12 feet 



10 to 12 feet 



12 to 14 feet 



Rows 36 to 48 inches (average yields) . . 



10tol6feet 



36 to 48 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 



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