Merits and Demerits of Mechanical Method

a. Merits of mechanical method

• Oldest, effective and economical method
• Large area can be covered in shorter time
• Safe method for environment
• Does not involve any skill
• Weeding is possible in between plants
• Deep rooted weeds can be controlled effectively

b. Demerits of mechanical method

• Labour consuming
• Possibility of damaging crop
• Requires ideal and optimum specific condition