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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.
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.
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).
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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 ...
Contour plowing or contour farming is the farming practice of plowing and/or planting across a slope following its elevation contour lines. These contour line furrows create a water break, reducing the formation of rills and gullies during heavy precipitation and allowing more time for the water to settle into the soil. [ 1 ]
The powered rotary hoe was invented by Arthur Clifford Howard who, in 1912, began experimenting with rotary tillage on his father's farm at Gilgandra, New South Wales, Australia. Initially using his father's steam tractor engine as a power source, he found that ground could be mechanically tilled without soil-packing occurring, as was the case ...
In the days when steam ploughing was common, the engine would often remain on the headland and pull the plough across the field by a wire rope. There would be severe compaction of the headland but little compaction of the rest of the field. There would usually be two engines, one on each headland, and they would winch the plough to and fro ...