this post was submitted on 13 May 2024
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Science Memes

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It is very therapeutic to garden, though. (lemmy.today)
submitted 6 months ago by [email protected] to c/[email protected]
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[–] [email protected] 1 points 6 months ago (1 children)

Right, those are all irreplacable parts of global capitalism and its ruling oligarchy.

Haber Bosch is basically just squeezing nitrogen and oxygen together with a catalyst to make ammonia. To generate high pressures you need energy which you get by burning hydrocarbons. Legumes and bacteria can also do this, which is why crop rotation and letting fields lie fallow has been done for centuries. But you can't let your field lie fallow if you have to compete with other firms who are burning coal to make fertilizer...

[–] [email protected] 2 points 6 months ago* (last edited 6 months ago) (1 children)

They worked out four-crop rotation during the agrarian revolution in the 18th century, they haven't let fields lie fallow since they worked out how to rejuvenate the soil with crops like turnips that could become horse feed...

[–] [email protected] 1 points 6 months ago

Pre-Columbian Meso-Americans were already exploiting nitrogen fixing bacteria with the milpa (corn, beans, squash). Anyway the point is if your yield is dependent on how much fertilizer you produce industrially then the sky is the limit for how much coal to burn.