Which of these are common implements used for removing weeds from the field?

The unwanted or undesirable plants that grow along with the main crops are called weeds. They need to be removed either manually or with help of implements.

The removal of these weeds is termed weeding. 

Various implements like a harrow, trowel and hoe are used to remove the weeds.

These implements are made up of iron and they need to be maintained properly to prevent rusting.