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  2. Harrow (tool) - Wikipedia

    en.wikipedia.org/wiki/Harrow_(tool)

    The purpose of harrowing is to break up clods and to provide a soil structure, called tilth, that is suitable for planting seeds. Coarser harrowing may also be used to remove weeds and to cover seed after sowing. Harrows differ from ploughs, which cut the upper 12 to 25 centimetre (5 to 10 in) layer of soil, and leave furrows, parallel trenches.

  3. Disc harrow - Wikipedia

    en.wikipedia.org/wiki/Disc_harrow

    A disc harrow is the preferred method of incorporating both agricultural lime (either dolomitic or calcitic lime) and agricultural gypsum, and disc harrowing achieves a 50/50 mix with the soil when set correctly, thereby reducing acid saturation in the top soil and so promoting strong, healthy root development.

  4. Road surface marking - Wikipedia

    en.wikipedia.org/wiki/Road_surface_marking

    They consist of four reflective lenses mounted in a durable white rubber housing, two facing fore and two facing aft. The housing is mounted within a cast iron shoe, which the rubber housing sinks in to when driven over. This provides protection from snow plowing and allows the lenses to be self-cleaning—they pass a rubber blade when depressed.

  5. Contour plowing - Wikipedia

    en.wikipedia.org/wiki/Contour_plowing

    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 ]

  6. Glossary of road transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_road_transport...

    See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...

  7. Types of road - Wikipedia

    en.wikipedia.org/wiki/Types_of_road

    Asphalt road in Norway. A road is a thoroughfare, route, or way on land between two places that has been surfaced or otherwise improved to allow travel by foot or some form of conveyance, including a motor vehicle, cart, bicycle, or horse.

  8. Snow removal - Wikipedia

    en.wikipedia.org/wiki/Snow_removal

    Others may hire a contractor with a plow bearing truck or a shovel. [8] After a large snowfall, businessmen with plow trucks often drive through cities offering to plow for money. Removing ice is more difficult. Snow blowers are usually ineffective at clearing ice. Picks are sometimes used, but a solid spade can break through most ice. There is ...

  9. Glossary of agriculture - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_agriculture

    (pl.) aboiteaux A sluice or conduit built beneath a coastal dike, with a hinged gate or a one-way valve that closes during high tide, preventing salt water from flowing into the sluice and flooding the land behind the dike, but remains open during low tide, allowing fresh water precipitation and irrigation runoff to drain from the land into the sea; or a method of land reclamation which relies ...