Gap filling is the practice of replanting seedlings or seeds
in places where original hills failed to establish.
It ensures optimum plant population and uniform crop growth.
Formula Used
Gap Filling Required (No. of hills) =
Total number of missing hills
Extra Seedlings Needed =
Missing hills × Plants per hill
Enter Field Data
Field Guideline:
• Gap filling should be done within 7–10 days after sowing/transplanting
• Use healthy seedlings of same age
• Avoid late gap filling (causes uneven maturity)