By | August 30, 2016

Question 1 which agricultural practice is carried out with the help of a sickle?

Question 2 Define the term harvesting?

Question 3 What is manual harvesting?

Question 4 Name the process of beating out the grains from harvested crop?

Question 5 What is threshing?

Question 6 Name the process in which grains are separated from chaff and hay with the help of wind?

Question 7 What is winnowing?


It normally takes about three or four months for a crop to mature.

The cutting and gathering of the matured food crop is called harvesting.

Manual Harvesting

The crops like wheat or rice are cut close to the ground by hand using a cutting tool called sickle.This is called manual harvesting.

In large fields,wheat and paddy crops are cut by a motorised machine called harvester.

The process of beating out the grains from the harvested crop plant is called threshing.

Threshing is done to take out the grain from its outer covering called chaff.

In the traditional method of threshing,the harvested crop is spread on the ground in a small area and various cattle are made to walk over it again and again in a circle.The cattle’s feet crush the harvested crop plant due to which the chaff breaks up and the grain comes out.


A motorised machine called thresher is also used for the threshing process.


The process of separating grain from chaff and hay with the help of wind is called winnowing.

When the grains mixed with chaff and hay is made to fall from a height in blowing wind,the grains,being heavy falls straight to the ground whereas the chaff and hay being much lighter are carried some distance away by the wind.

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