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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 ...
A Japanese winnowing basket (2007) A winnowing basket or fan is a tool for winnowing grain from chaff while removing dirt and dust too. [1] They have been used traditionally in a number of civilizations for centuries, [2] and are still in use today in some countries.
In the year 2005, the world's population of six billion is suffering from acute famine.The World Food Organization decides on desperate measures to decrease the population by a process of triage.
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 winnowing machine also had a rotary fan which had a blower that had a crank handle to create air to blow away the lighter seed casings to separate the husks from the pile of grain. [ 2 ] [ 3 ] A rotary fan winnowing machine with two farm workers separating the grain from the husks as illustrated in Song Yingxing 's Tiangong Kaiwu .
The name of the machine is derived from the fact that the harvester combined multiple separate harvesting operations – reaping, threshing or winnowing and gathering – into a single process around the start of the 20th century. [2] A combine harvester still performs those operation principles.
A winnowing fork. This verse describes wind winnowing, the period's standard process for separating the wheat from the chaff. Ptyon, the word translated as winnowing fork in the World English Bible is a tool similar to a pitchfork that would be used to lift harvested wheat up into the air into the wind.
What is winnowing? Well, after the grains have been removed from the stalks by threshing (in this case, by oxen), the grain is collected in a basket, the basket is raised, say, to shoulder height and tilted, and the grain is allowed to fall to the ground.