167
TABLE 8
FARM MACHINERY AND FARM LABOR
PRODUCTIVITY, lpiO-l96O
Inventory Value of
Farm Implements
and Machinery
Year
Index of Output
per Man-hour
(1940=100)
Farm Total
Millions
of
Constant
1954
Dollars
Index
(1940=
100)
i960
319
17,832
309
1950
169
13,952
242
1940
100
5,763
100
1930
79
6,475
112
1920
73
4,342
75
1910
67
2,674
46
Source: Raw Materials in the U.S. Economy.
1900-1966. p. 52, Table 20.
National Income by Source
As farm production increased, workers were freed
(or forced by necessity) to pursue other activities.
Income originating in industries other than agriculture
increased substantially and gains in manufacturing were
particularly impressive as is shown in Table 9.