• Weeding, light hoeing and earthing up are required at 30-45 days and 60-75 days after planting.
• The leafy parts may be smothered about one month before harvest so as to enhance tuber development.

Irrigation

• Ensure sufficient moisture in the soil at the time of planting.
• For uniform sprouting, irrigate just after planting and one week later.
• Subsequent irrigation may be given at 12-15 days intervals, depending on the moisture retention capacity of the soil.
• The irrigation should be stopped 3-4 weeks before harvest.
• About 9-12 irrigations are required for the crop till harvest.
• Rainfed crop, if there is prolonged drought, supplementary irrigation is required.