Yeah I don't know if you noticed the white patch on the lower part of the terrar... | Hacker News

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		vvdcect on May 20, 2019 \| parent \| context \| favorite \| on: A Sealed Garden That Was Watered Once in 53 Years ... Yeah I don't know if you noticed the white patch on the lower part of the terrarium, that to me looks like a mix of the plants root system and mycorrhizal fungi, so there should have been microbes present within the soil when it was first planted.

jandrese on May 20, 2019 [–]

There would have to be microbes in the soil breaking it down and releasing CO2 so the plant could get its carbon.

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