Cover with turf again

• Fix, as some bald spots
• Improve a lawn
• Repair a lawn
• Do some field work?
• Fix up, as a lawn
• Improve the lawn
• Doctor a lawn
• Add turf to
• Fix the lawn

Wiktionary Word definitions in Wiktionary
vb. (context transitive English) To sod again; to cover (a lawn) with fresh sod.