GROWING SUGAR BEETS IN MICHIGAN AND OHIO. ILE 
TABLE VIII.—Harrowing (spike-tooth). 
Acres in beets per Hours of labor per 
arm. acre. 
mes Times Labor 
District. Sa ee a= cost per 
ee Har- rowed BOKS 
Total. aarnial Man. Horse. 
(ORO os ales ee i oan eee eared 70 15. 92 15.56 1. 49 1.09 DEAS) $0. 43 
SNS Urals eke = 0 ERE Ue) lens Bie auth Ae Pg aa 87 9. 80 9.31 1.76 1157333 PST 53 
GrandeWapidSsseee eee ee eee 67 7.20 6.95 13S 1.09 2.69 49 
INorthwestern Ohios 2s 5-8 91 16. 40 16.30 1.87 1.49 3.74 67 
The average labor requirements and cost per acre were fairly uni- 
form, but there was considerable variation on individual farms. 
The spring-tooth harrow sturs the soil to a greater depth than the 
spike-tooth, brings clods to the surface (see figs. 9 and 10), and was 
Fig. 9.—One man and three horses harrowing with a spring tooth. This was a 
common crew in the regions or districts visited. 
used extensively in all districts, although not to so large an extent in 
northwestern Ohio as in the other three sections. This operation was 
performed on 252 farms. (See Table IX.) 
TABLE IX.—Harrowing (spring-tooth). 
Acres in beets Average Hours of labor 
Per per farm. ae crew. per acre. Labor 
District. SI Re ar zene a COS 
; of all EL. per 
records.) otal, el Man. | Horse.| Man. | Horse.}] 2°T® 
(CREAT es oo ee 90 | 14.06] 14.06 3.07 1.0 2.5 3. 44 8. 65 $1.51 
ANU aN EONS ae Pe aaa Uae olen 96 9.58 9. 50 3.15 1.0 2.6 3. 66 9.05 1.63 
GrandgapidSha e-ess. eee 94 5.75 5.75 3. 50 1.0 2.9 3.64 | 10.34 1.76 
Northwestern Ohio........-.- ATE oe 98) Aes 2 1.58 1.0 2.9 1.82 5.01 - 86 
The average width of implement was approximately 64 feet. For- 
ty-four per cent of the men interviewed used a crew of one man and 
83548°—Bull. 748 —19-—-3 
