Plough
Plough (Pronunciation: /plaʊ/, Etymology: Old English plōh)
The Plough is a tool used in farming for initial cultivation of soil in preparation for sowing seed or planting. It has been a basic instrument for most of recorded history, and represents one of the major advances in agriculture.
Description
The plough is a tool or farm implement used in farming for initial cultivation of soil in preparation for sowing seed or planting to loosen or turn the soil. Ploughs are traditionally drawn by working animals such as horses or cattle, but in modern times may be drawn by tractors. A plough may be made of wood, iron, or steel frame with an attached blade or stick used to cut and loosen the earth.
History
The plough has been in use since prehistoric times. The earliest ploughs were probably digging sticks fashioned with handles for pulling or pushing. By Roman times, ploughs were being pulled by oxen and in later times, by horses.
Types of Ploughs
There are many types of ploughs that have been developed for different purposes and different kinds of soil. Some of these include:
- Mouldboard plough: This type of plough has a curved metal plate that turns over the earth.
- Disc plough: This plough uses round discs to cut into and turn over the soil.
- Chisel plough: This plough has narrow, double-ended shanks that penetrate the soil and break it up without turning it over.
Related Terms
- Cultivation (agriculture): The act of preparing and using land for crops.
- Tillage: The agricultural preparation of soil by mechanical agitation of various types, such as digging, stirring, and overturning.
- Harrow (tool): A farm implement used to break up clods of soil and provide a finer finish to a ploughed field before sowing.
- Seed drill: A device that sows the seeds for crops by positioning them in the soil and burying them to a correct depth.
See Also
External links
- Medical encyclopedia article on Plough
- Wikipedia's article - Plough
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