The Grenada sentinel. [volume] (Grenada, Miss.) 1868-1955, 1921-05-06

years The annual depreciation or the
tWO-plOW tractors amounted to $1G4,
and of the three-plOw SIT. The n
nual cost of repairs, including h
value Of the owners time spent in re-
pairing the tractors, was $50 for both
the twO-plow and three-plow sizes.
The fuel consumption per day for
the twO-plow tractors varied from
about IS gallons for fall blowing to
about IL gallons for drawing the hay
loader. For the three-plOw tractors it
varied from % gallons for blowing to
ID gallons for drawing the hay loader.
The twOplow tractors covered 6.6
acres per day in blowing and three
plOw machines sc acres. The amount
OF fuel required per acre by the two
sizes was practically the %Nne, %
gallons for the two-plow and 81 gal
Ions for the three-plow tractors.
Difference in Flowing Costs.
The average cos per acre of power
for the blowing done with t%wO-plOw
tractors was about 50 and with the
three-plOw about $500. The cost OF
power for the blowing done with
horses on these farms was about S2.9c
perIacre. Based on the present costs
of keeping workstOck, the cost of
power for blowing with horses would
be about $1.90 per acre. For most OF
the other operations the cost Of power
when furnished by horses was slightly
less than when furnished by tractors.
The cost per acre of power for disk
ing with tractors was SCOT, with
horses. S0.64: for cutting grain with
tractors. SCOT: with horses, 5000.
These figures represent the cost of
power only, and do not igclude either
the cost of man labor, or that of the
implements used.
pillow tractors for drawbar work on
the home farm was about $3.50, anu
of three-plow tractors about $17.75.
The total cost of power furnished by
the tractors for drawbar work at home
during the year averaged S341. This
drawbar work on the home farm con
stituted rs per cent of the total wori;
done by the tractors. and only &c per
cent Of the total annual charge for de-
probation, repairs, and interest on IN
yeStment, IL included in it.
Tractor Reduces Number Of Work
stock Needed.
On the 172 farms where there had
been no change in acreage the num-
Der of wOrkstock had been reduced by
% head, an average reduction Of 26
per cent. FOrty-four of these 112 men
had not reduced the number of work
stock. 50 had disposed of one or two
head, 43 had disposed OF three or four
head, and % of more than four head.
On these 172 farms One horse had
been kept for each Is acres (total
acres, not crop acres) before purchase
Of tractors, and at the time OF the
survey there was n horse for each
81 acres. For all the farms there
had been an average of II horse for
each 27.6 acres before purchase OF
tractors. and there was One for each
37.9 acres at the time Of the investiga-
ton. On the farms where there had
been no change in acreage there had
been one horse for each 21.5 crop acres
before the purchase Of tractors, and
there was one for each 20 crop acres at
the time Of the investigation.
Operating Costs May Be Reduced.
There were great variations on in
dividual farms in the S Of power
furnished by both horses and tractors;
and by more careful management
many farmers could doubtless reduce
this cost. Repair costs and fuel con-
sumption Of the tractors could in many
cases have been reduced by more care
full operation. The cost Of keeping
workstock could have beer reduced on
many farms by more careful feeding
practices.
The average annual cOst Of power
for the drawbar work on he home
farm which was done with tractors
was equal to the cost of keeping 81
head of workstOck and this is prac-
tically the average number displaced
per farm. On the basis Of present
prices, however, the co.'s of keeping
wOrkstOck has declined considerably
more than the cost of operating trac-
tors.
Since. during the year covered by
the investigation, the cost of power on
the average farm was no greater than
if it had all been furnished by horses.
any saving In man labor costs, any
gain due to getting a larger mount
Of work lone in a given time, and any
other advantages connected with the
use Of tractors which cannot be meas
ured directly in dollars and cents,
might be considered clear profit. 1t is
doubtful, however, If such gains were
\ great enough to balance the cost OF
operating the tractors on many OF the
farms where there was no change II
acreage ami where no workStock wa:
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