What is the process of removing weeds from the cropped field called? 

The unwanted or undesirable plants that grow along with the main crops are called weeds. 

The process of removing unwanted plants from a garden, lawn, or farm is referred to as weeding. 

This is usually done to keep unwanted plants from competing for resources like sunlight, water, and nutrients with desirable plants. 

Weeding can be done manually with hoes and cultivators or chemically with weedicides.