Examples

The ploughed earth looked rich and dark and fertile.

In order to turn the deserts into fertile and productive land, engineers built an 800-mile canal.

Organic farmers don't put chemicals into the soil, but keep it fertile by growing clover and adding manure.

These plants need a moist fertile soil and a sheltered position.

The corn grows waist-high in these fertile fields.

More examples

Cats become fertile at about 6 months old.

Women become less fertile as their age increases.

To improve your chances of conceiving, you should know at what time in your menstrual cycle you are most fertile.

The tests showed that you are perfectly fertile and that, in theory, you should be able to have a family.

The female laid sixteen fertile eggs, each resulting in a healthy chick.