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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 ...
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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 .
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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.
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Winnowing is an agricultural method for separating grain from chaff. Winnowing may also refer to: Winnowing (sedimentology), a natural sediment separation process; Winnowing (snipe) or drumming, a courtship sound "The Winnowing", a 1976 short story by Isaac Asimov