The tears of the past fertilize the future.

What kind of fertilizer do you use?

The gardener said that mineral fertilizers are more effective.

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

This is the best time to fertilize the fields.

What is the best fertilizer for tomato plants?

The primary culprits in eutrophication appear to be excess nitrogen and phosphorus—from sources including fertilizer runoff and septic system effluent to atmospheric fallout from burning fossil fuels—which enter waterbodies and fuel the overgrowth of algae, which, in turn, reduces water quality and degrades estuarine and coastal ecosystems.

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.

It is cheaper than chemical fertilizers.

Algeria wants to become an important fertilizer exporter.