Fertile

The settlers learned that the land in the valley was fertile.

Now there is nothing but desert, where there used to be a fertile plain.

It has fertile soil where corn be grown.

The soil here is fertile.

Fertile soil is indispensable for agriculture.

The land on his farm is very fertile.

Fertile soil is indispensable for a good harvest.

Agriculture is developed in the most fertile lands of the region.

Profound study of nature is the most fertile source of mathematical discoveries.

You have a fertile imagination.