It's even worse than that. Those are the half-lives. From the paper: "These glyphosate-metal complexes increase the half-life of the herbicide dramatically, fro

It's even worse than that. Those are the half-lives. From the paper: "These glyphosate-metal complexes increase the half-life of the herbicide dramatically, from 90 days to 7 years in water and 47 days to 22 years in soil." On the plus side, things should get better soon: "In 2012, Sri Lanka imported >5 million kg of glyphosate until a ban was imposed since 2014."