Karl@literature.cafe to Ask Lemmy@lemmy.world · 3 days agoAre there natural fertilizers that do not come from animal poop?message-squaremessage-square43linkfedilinkarrow-up129arrow-down10file-text
arrow-up129arrow-down1message-squareAre there natural fertilizers that do not come from animal poop?Karl@literature.cafe to Ask Lemmy@lemmy.world · 3 days agomessage-square43linkfedilinkfile-text
minus-squareCanadaPluslinkfedilinkarrow-up6·edit-21 day agoGuano reserves ran out by 1900 IIRC. It’s concentrations of nutrients in ancient mineral deposits now (and peak phosphorus is coming).
Guano reserves ran out by 1900 IIRC. It’s concentrations of nutrients in ancient mineral deposits now (and peak phosphorus is coming).