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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).
A simple drawn plough: 4) marks the coulter (using an early knife-like design) A (US:) colter / (British:) coulter (Latin 'culter' = 'knife') is a vertically mounted component of many ploughs that cuts an edge about 7 inches (18 cm) deep ahead of a plowshare. [1] Its most effective depth is determined by soil conditions. [2]
The disk harrow is used first to slice up the large clods left by the mould-board plough, followed by the spring-tooth harrow. To save time and fuel they may be pulled by one tractor; the disk hitched to the tractor, and the spring-tooth hitched to, and directly behind, the disk.
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]
The furlong (meaning furrow length) was the distance a team of oxen could plough without resting. This was standardised to be exactly 40 rods or 10 chains. The system of long furrows arose because turning a team of oxen pulling a heavy plough was difficult.
"Tillage" can also mean the land that is tilled. The word "cultivation" has several senses that overlap substantially with those of "tillage". In a general context, both can refer to agriculture. Within agriculture, both can refer to any kind of soil agitation.
The ard, ard plough, [1] or scratch plough [2] is a simple light plough without a mouldboard. It is symmetrical on either side of its line of draft and is fitted with ...