About this episode
To learn more about this topic, start your googling with these keywords:
Guano: seabird (or bat) poop. From the indigenous Peruvian word “wanu”, meaning “manure that’s good for fertilizer"
Manure: animal poop used as fertilizer (typically cow or pig poop)
Fertilizer: a chemical-containing substance added to soil to provide nutrients to plants
Nitrate mining: digging up the naturally occurring solid form of the element nitrogen (sodium nitrate)
Phosphate mining: digging up the naturally occurring solid form of the element phosphorus
Haber-Bosch process: the major industrial method to take nitrogen gas out of the air and convert it to ammonia
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