Even if developing agricultural systems should follow this route, it is still important that state-of-the-art on-farm equipment for treatment and preservation is available in the future.
During the ninety years until 1970, land-labor ratios increased in all countries, especially after 1950. These increases reflect the rapid declines in agricultural labor forces as people moved to industry and off the land. The United States, however, had an increase in agricultural land as well as a reduction in the agricultural labor force, so that differences in land-labor ratios between it and other countries increased.

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Even if developing agricultural systems should follow this route, it is still important that state-of-the-art on-farm equipment for treatment and preservation is available in the future.
During the ninety years until 1970, land-labor ratios increased in all countries, especially after 1950. These increases reflect the rapid declines in agricultural labor forces as people moved to industry and off the land. The United States, however, had an increase in agricultural land as well as a reduction in the agricultural labor force, so that differences in land-labor ratios between it and other countries increased.

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