Answer:
Harvesting is the operation of gathering the useful part or parts of the plant and is carried out at the time when all the nutrients have developed and the edible parts have reached the appropriate degree of maturity.
Threshing or shelling consists of separating the grains, or the shells in the case of groundnuts, from the portion of the plant that holds them.
WINNOWING, the process of separating quality grains from chaff, is a crucial process in the cultivation of paddy. The traditional way of winnowing is making the dried grains fall from a height using shovels and a sieve.
