Algeria produces fertilizers.

The Waters of the United States Act protects wetlands and streams from pollution by pesticides, mine waste and fertilizers.

You can also fertilize orchids -- but not too much. Too much fertilizer can also kill the roots.

What kind of fertilizer did you use?

Tom sells fertilizer.

Algeria has fertilizer companies.

What's the best fertilizer for tomatoes?

The Green Revolution is the name given to the development of high-yielding rice and wheat in the 1960s. These crops dramatically boosted food supplies in India and elsewhere; however, they required large amounts of water and fertilizer.

Pregnancy only happens if the ovum is fertilized.

It is cheaper than chemical fertilizers.