Question

which agriculture practice is carried out with the help of a sickle

Answer 1

cutting of standing crops is accomplished using sickle.
these crops include wheat, paddy, etc.

Answer 2

Sickle:

It is an agricultural tool has been used by the man since the iron ages. It is a tool which has two major agricultural functions: harvesting of crops and weeding.

Harvesting or reaping is an agricultural practice in which crop plants, such as grains, are cut after a duration of growth, to use it for food production. Weeding is the removal of weeds and other plants which are not agriculturally beneficial or harmful to the crop plants. Both these functions can be carried out by a sickle.