mouldboard
11moldboard plow — noun plow that has a moldboard • Syn: ↑mouldboard plough • Hypernyms: ↑plow, ↑plough • Hyponyms: ↑lister, ↑lister plow, ↑lister plough, ↑ …
12Moldboard — Mold board , Mouldboard Mould board , n. 1. A curved plate of iron (originally of wood) back of the share of a plow, which turns over the earth in plowing. [1913 Webster] 2. (Founding) A follow board. [1913 Webster] …
13Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
14Harrow (tool) — In agriculture, a set of harrows is an implement for cultivating the surface of the soil. In this way it is distinct in its effect from the plough, which is used for deeper cultivation. They are commonly called harrows (plural) as they are used… …
15British Agricultural Revolution — The British Agricultural Revolution describes a period of development in Britain between the 18th century and the end of the 19th century, which saw a massive increase in agricultural productivity and net output. This in turn supported… …
16Loess — is a homogeneous, typically non stratified, porous, friable,slightly coherent, often calcareous, fine grained, silty, pale yellow or buff, windblown (aeolian) sediment. [Richthofen, F. von. 1882. On the mode of origin of the loess. The Geological …
17Early Middle Ages — The Early Middle Ages is a period in the history of Europe following the fall of the Western Roman Empire spanning roughly five centuries from AD 500 to 1000. [Events used to mark the period s beginning include the sack of Rome by the Goths (410) …
18History of Eurasia — The history of Eurasia is the collective history of several distinct peripheral coastal regions: the Middle East, South Asia, East Asia, Southeast Asia, and Europe, linked by the interior mass of the Eurasian steppe of Central Asia and Eastern… …
19Medieval technology — Pumhart von Steyr, a 15th century supergun …
20Plowshare — In agriculture, a plowshare (or ploughshare) is a component of a plow (plough). It is the cutting or leading edge of a moldboard which closely follows the coulter (one or more ground breaking spikes) when plowing (ploughing).The plowshare itself… …
