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).
However, if the weather is bad and the quality of the grain is in danger, it may be more economical to protect quality by harvesting early (before ripeness) even if an increased post-harvest drying cost is incurred. Due to the timeliness factor, machinery of a somewhat higher capacity is often employed to avoid timeliness penalties that may accrue due to the use of a contractor, machine breakdown and repair, bad weather or operator illness.

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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).
However, if the weather is bad and the quality of the grain is in danger, it may be more economical to protect quality by harvesting early (before ripeness) even if an increased post-harvest drying cost is incurred. Due to the timeliness factor, machinery of a somewhat higher capacity is often employed to avoid timeliness penalties that may accrue due to the use of a contractor, machine breakdown and repair, bad weather or operator illness.

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