With regard to agricultural productivity (grain crops)in the post-Civil War period (1870-1910),

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During the post-Civil War period, technological advancements and mechanization in agriculture led to a significant increase in output per man-hour, as machines allowed farmers to produce more with the same amount of labor. However, output per acre and per unit of energy input did not see the same level of increase.

With Regard to Agricultural Productivity (Grain Crops)in the Post-Civil War