Modern Marvels - Fertilizer

Seizoen: 13 - Aflevering: 20 / 515 - Eerst uitgezonden: 20 juni 2007 - Episode ID: 445089

Fertilizer--without it two thirds of the world would starve. It makes our lawns grow greener and our crops grow taller. Take a tour of the places where the essential nutrients that feed the soil are harnessed.