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A plough or plow (both pronounced / p l aʊ /) is a farm tool for loosening or turning the soil before sowing seed or planting. [1] Ploughs were traditionally drawn by oxen and horses but modern ploughs are drawn by tractors. A plough may have a wooden, iron or steel frame with a blade attached to cut and loosen the soil.
Components of a simple drawn plow: 1) beam; 2) three point hitch; 3) height regulator; 4) coulter (or knife) 5) chisel 6) plowshare 7) moldboard Instrument for cleaning a plowshare used at a mill near Horažďovice, Czech Republic. In agriculture, a plowshare or ploughshare (UK; / ˈ p l aʊ ʃ ɛər /) is a component of a plow (or plough).
In the southern hemisphere, so-called giant discs are a specialised kind of disc harrows that can stand in for a plough in rough country where a mouldboard plough cannot handle tree stumps and rocks, and a disc-plough is too slow (because of its limited number of discs). Giant scalloped-edged discs operate in a set, or frame, that is often ...
Reduced tillage [note 1] leaves between 15 and 30% crop residue cover on the soil or 500 to 1000 pounds per acre (560 to 1100 kg/ha) of small grain residue during the critical erosion period. This may involve the use of a chisel plow, field cultivators, or other implements.
In contour plowing, the ruts made by the plow run perpendicular rather than parallel to the slopes, generally furrows that curve around the land and are level. This method is also known for preventing tillage erosion. [2] Tillage erosion is the soil movement and erosion by tilling a given plot of land. [3]
Especially in Ulster, the practice was to attach a short plough to a horse's tail. The simple plough was cheaper than one attached with a harness. The horse would stop in pain when the plough hit a rock, which made rocks less likely to damage the plough. In 1606, an order in council prohibited the practice, with a fine of a garron.
A plough being pulled through the streets of Whittlesey as part of the Whittlesey Straw Bear Festival procession. Ploughs were traditionally taken around by Plough Monday mummers and molly dancers in parts of eastern England and in some places were used as a threat: if householders refused to donate to the participants their front path would be ploughed up.
Plough (instrument), a type of backstaff, a device used for celestial navigation; Plough (unit), or carucate, a medieval unit of land area; Plough, a device on electric trams powered by conduit current collection; Plow, a term for backslash ( \ ) used in various programming environments