Such machinery has facilitated the full or partial replacement of human- and animal-powered equipment in developed countries and increasingly in developing countries as well. The net result has been higher productivity and the welcome elimination of much of the drudgery of manual farm labor. For example, one person involved in agricultural production can now provide enough food and fiber for 128 others whereas only a century ago one person could provide food and fiber for only eight others (see also, Technology and Power in Agriculture).
The image of a multiplicity of combine harvesters traversing and harvesting the corn plains of North America is a powerful testament to the success of agricultural mechanization programs. Developments in control and instrumentation have also been notable including wellestablished innovations such as grain loss meters, work rate meters and crop density meters.

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Such machinery has facilitated the full or partial replacement of human- and animal-powered equipment in developed countries and increasingly in developing countries as well. The net result has been higher productivity and the welcome elimination of much of the drudgery of manual farm labor. For example, one person involved in agricultural production can now provide enough food and fiber for 128 others whereas only a century ago one person could provide food and fiber for only eight others (see also, Technology and Power in Agriculture).
The image of a multiplicity of combine harvesters traversing and harvesting the corn plains of North America is a powerful testament to the success of agricultural mechanization programs. Developments in control and instrumentation have also been notable including wellestablished innovations such as grain loss meters, work rate meters and crop density meters.

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