Performance evaluation of weeders in cotton

India is the second largest producer of cotton in the world (rank next to China only). India shares 21% of world production of cotton.Manual weeding is labour and time consuming, labourous, costly and more fatigue in bending posture to do weeding with manual hand hoe.The weeding operation in cotton represents a significant portion of operation cost.The study on "Performance evaluation of weeders in cotton" was planned and conducted during kharif (summer season) of year 2013-14. Performance evaluation of five different weeding methods was conducted on two varieties of cotton crop.