The Island is a fertile field for 30-something parents' wanting to play along with their children.

It would have been a clean slate, a fertile field.

He was like a scarecrow, in the middle of a fertile field, calling out without anyone hearing him.

There is no more fertile field for me to investigate.

I wonder what we might find in more fertile fields?

And of course energy is a very fertile field.

In the decades around 1910, radio was a new technology, a fertile field for innovation.

"It was like a farmer seeing a fertile field for the first time," he told an interviewer years later.

Even without including the work of European designers, this show makes design look like the most fertile artistic field in the world today.

Children's picture books would be a fertile field in this area.