There's a lot of confusion over whether plant food is the same thing as fertilizer. Is there a difference? Let's find out.

Instead of relying on energy-hungry reactors to generate high temperatures and pressure, researchers are looking underground at Earth's natural heat and forces to cook up ammonia for fertilizer.

Instead of relying on energy-hungry reactors to generate high temperatures and pressure, researchers are looking underground ...

For decades, the biosolids industry has recycled human and industrial waste into organic fertilizer for large-scale agricultural applications. But concerns are mounting as evidence grows that these ...