The Iron Law of power density and the myth of solar and wind energy .....

Petroleum/chemical-based agriculture is not only silly, it's insane.
What exactly do you mean by petroleum based farming?
Even tractors on organic farms use diesel fuel
 
Tell that to Blues Man.
A by product of petroleum is NOT petroleum.


Natural gas is burned in the process to isolate nitrogen for nitrogen based fertilizer there is no methane in the fertilizer end product

Phosphorous and potassium based fertilizers don't use any petroleum products in their manufacturing process.
 

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