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.

Algeria wants to become a fertilizer exporter.

Bird excrement is an excellent fertilizer.

What kind of fertilizer do you use?

Algeria produces fertilizers.

Algeria wants to become an important fertilizer exporter.

What fertilizers, pesticides and herbicides do you use?

It is cheaper than chemical fertilizers.

This is the best time to fertilize the fields.