Question

Differentiate between threshing winnowing and harvesting

Answer 1

Answer:

Threshing is the beating of the crop against a stone to separate the grains from the stalk. Winnowing is process of separation of the husk from the seeds by blowing air. Harvesting is the process of gathering a ripe crop from the fields.

Difference Between Threshing, Winnowing and Harvesting

WINNOWING:-

1. The process of separating dust particles with the help of wind is called winnowing.
2. Mixture of grain and husk are allowed to fall from a height.
3. Heavier grain falls on the ground, whereas lighter grains are carried away by the wind.

THRESHING:-

1. Process of removing chaff from the grains is called threshing.
2. It is done using a stick.

HARVESTING:-

1. The process which involves cutting of mature crop to gather grains is known as harvesting.
2. Harvesting can be done manually by using a sickle. A sickle is a small instrument with sharp serrate-edged metal blade attached to a wooden handle.
3. Harvesting can also be done by using a machine called as harvester.

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Answer 2

Threshing

the process of separating grains from the harvested crop

winnowing

the process of separating grains from the chaff with the help of wind

harvesting

the process of cutting and gathering of crops

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