Question

what is the Winnowing? where's it used?

Answer 1

Wind winnowing is an agricultural method developed by ancient cultures for separating grain from chaff. It is also usedto remove hay and chaff or other pests from stored grain. Threshing, the loosening of grain or seeds from the husks and straw, is the step in the chaff-removal process that comes before winnowing.

Answer 2

Winnowing is the process of separation of the heavier components from the lighter components of a mixture by wind or by blowing air. It is generallyused by farmers to separate the lighter impurities such as husk particles from the heavier grains. ... Farmers use this method for separating the grains from husk and hay.