fertilizer

Titanium dioxide, also known as titania, is a material with photocatalytic properties that allow it to react with nitrogen to form ammonia [Courtesy: Rob Felt, Georgia Tech]

A new source of cheap agricultural fertilizer?

Soil fertilization. Illustration: shutterstock

Environmentally friendly fertilizer

agriculture. Illustration: shutterstock

Is it possible to improve the ammonia synthesis process?

Fertilizer from cows. From Wikipedia

Nitrogen saturation