Originally Posted by
Tourist in MSN
I think Joeybike meant natural gas when he said petroleum, a lot of natural gas is used to make fertilizers.
The Haber-Bosch process needs hydrogen to make ammonia but natural gas is just a convenient source of hydrogen. Also with his "natural stuff is made of petroleum nowadays too" implies a modern (and nefarious) development. Haber-Bosch is just over 100 years old. And the practice of feeding corn to beef has been around for quite a while as well. Widespread here in the US since the 1950 but I'm not sure about cattle in Great Britain.
Last edited by cyccommute; 01-19-15 at 02:57 PM.