Can you please provide a summary of the short story Subsoil by Nicholson Baker?
The story is about a man named Nyle T. Milner (a pun on "nil mil'ner") who is an agricultural historian, who writes a book about the harrow, a farming tool used to till and cultivate soil before sowing seeds. It harvests potatoes without harming them by cutting the potato into slices and collecting them later. As he travels to his motel, he passes through a town called Potato Head, and buys a toy Mr. Potato Head at an antique store, paying $5 for it. The toy's nose is broken off and its eyes are missing and it is distressed by this. He eats in the motel'