Precision farming applications promise to conserve energy and reduce agricultural inputs but much remains to be done before these claims can be sustained and the technology commercialized at an affordable price to the farmer. Further exciting developments in farm machinery are under way with particular emphasis on communications and information technology applications.
Total farmland more than doubled between 1870 and 1920. Since average farm size stayed roughly constant, total farm employment must have nearly doubled as well. The agricultural work force, far from being displaced, was redeployed within agriculture, along with large numbers of immigrants. Mechanization did not produce higher yields, however; they came later and were linked to fertilizers and biological innovations.

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Precision farming applications promise to conserve energy and reduce agricultural inputs but much remains to be done before these claims can be sustained and the technology commercialized at an affordable price to the farmer. Further exciting developments in farm machinery are under way with particular emphasis on communications and information technology applications.
Total farmland more than doubled between 1870 and 1920. Since average farm size stayed roughly constant, total farm employment must have nearly doubled as well. The agricultural work force, far from being displaced, was redeployed within agriculture, along with large numbers of immigrants. Mechanization did not produce higher yields, however; they came later and were linked to fertilizers and biological innovations.

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