Ferguson developed a hydraulically activated three-point hitch to which implements could be attached and which could lift and lower implements to the required working position. Ferguson also developed automatic control systems (draft, position) which greatly enhanced the performance of the equipment. Draft control is a system whereby the drawbar pull can be maintained at a constant level by automatically adjusting the position of the implement (e.g. plow) in response to variations in draft (e.g. soil resistance).
Additional and exciting technological developments are taking place in tractor design with emphasis on precision farming, communications and information technologies. These are intended to enhance performance and take account of energy conservation, environmental protection and sustainability considerations. The modern tractor is reviewed in detail in Tractors and Transport (EOLSS on-line, 2002).

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Ferguson developed a hydraulically activated three-point hitch to which implements could be attached and which could lift and lower implements to the required working position. Ferguson also developed automatic control systems (draft, position) which greatly enhanced the performance of the equipment. Draft control is a system whereby the drawbar pull can be maintained at a constant level by automatically adjusting the position of the implement (e.g. plow) in response to variations in draft (e.g. soil resistance).
Additional and exciting technological developments are taking place in tractor design with emphasis on precision farming, communications and information technologies. These are intended to enhance performance and take account of energy conservation, environmental protection and sustainability considerations. The modern tractor is reviewed in detail in Tractors and Transport (EOLSS on-line, 2002).

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