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ggmlast Monday at 9:22 AM1 replyview on HN

Bio available trace elements and loose structure. Stuff you find in fertiliser is typically rich in volcanic ash. And lack of competition because its virgin soil. The coloniser species are what happens without human intervention.


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lostmsulast Monday at 6:35 PM

On Hawaii or Iceland the lava riverbeds stay barren for decades. I think the parent is right.