Maintains, as a lawn

• Tries again to make rain
• Assigns a new ranking to, in a way
• Sows again
• Assigns new rankings to
• Fills in, as a field
• Does the field again
• Deals with a patchy lawn
• Tries to improve, as a lawn

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: reseed )