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A threshing floor is of two main types: 1) a specially flattened outdoor surface, usually circular and paved, [2] or 2) inside a building with a smooth floor of earth, stone or wood where a farmer would thresh the grain harvest and then winnow it. Animal and steam powered threshing machines from the nineteenth century onward made threshing ...
Rice winnowing, Uttarakhand, India Winnowing in a village in Tamil Nadu, India Use of winnowing forks by ancient Egyptian agriculturalists. Winnowing is a process by which chaff is separated from grain. It can also be used to remove pests from stored grain. Winnowing usually follows threshing in grain preparation. In its simplest form, it ...
True industrialization of threshing began in 1786 with the invention of the threshing machine by Scot Andrew Meikle. In this the loosened sheaves were fed, ears first, from a feeding board between two fluted revolving rollers to the beating cylinder. This cylinder or "drum" was armed with four iron-shod beaters or spars of wood parallel to its ...
At first, artesans from Cantalejo travelled with large carts loaded with selected threshing boards, winnowing bellows, grain measures (of different traditional dry units: celemín is a wooden case with 4,6 L, cuartilla has 14 L, and fanega equivalent to 55.5 L...) and other implements for threshing or winnowing, which they peddled from town to ...
The upper side has one double doorway for access to the threshing floor. Usually stone-built, British bank barns are rectangular buildings. They usually have a central threshing area with hay or corn (cereal) storage bays on either side on the upper floor; and byres, stables, cartshed, or other rooms below. Double doors entered the threshing ...
In Africa, post-harvest losses of maize from harvest to market sale are believed to amount to around 10-20%. Approximately 40% of these losses occur during storage at the farm and market, 30% during processing (drying, threshing, and winnowing), 20% in transport from the field to the homestead/farm, and the remaining 10% during transport to market.
The process of loosening the chaff from the grain so as to remove it is called "threshing" before "drying" – traditionally done by milling or pounding, making it finer like "flour". Separating remaining loose chaff from the grain is called " winnowing " – traditionally done by repeatedly tossing the grain up into a light wind, which ...
Threshing stone near Goessel, Kansas at Alexanderwohl Mennonite Church. (2010) A threshing stone is a roller-like tool used for the threshing of wheat.Similar to the use of threshing boards, the stone was pulled by horses over a circular pile of harvested wheat on a hardened dirt surface (threshing floor), and the rolling stone knocked the grain from the head of wheat.