“Crookes was talking about fixing a couple of million tonnes of nitrogen a year to assure Europe’s wheat supplies for the foreseeable future. Today industry fixes over a hundred million tonnes a year, comfortably more than all the Earth’s nitrogen-fixing soil bacteria put together.”

“Crookes was talking about fixing a couple of million tonnes of nitrogen a year to assure Europe’s wheat supplies for the foreseeable future. Today industry fixes over a hundred million tonnes a year, comfortably more than all the Earth’s nitrogen-fixing soil bacteria put together.”

— Oliver Morton