Re:Building a Home Aquaponics System: The Basics
by JoeAltmaier on Tuesday December 19, 2017 @06:14PM
(#15965356)
Mined? Its applied commercially as anhydrous ammonia, which is produced from air and electricity.
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Re:Building a Home Aquaponics System: The Basics
by IdeaHamstir on Wednesday December 20, 2017 @02:14AM
(#15967654)
The vast majority of nitrogen fertilizers are produced by burning natural gas with atmospheric nitrogen to produce NH3, NH3OH and CO2.
https://en.wikipedia.org/wiki/Haber_process
I guess in a way, the natural gas extraction is a mining process.