In a handful of fertile soil, there are more individual organisms than the total number of human beings that have ever existed.

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The International Union of Soil Sciences (IUSS) is the global union of soil scientists. The objectives of the IUSS are to promote all branches of soil science, and to support all soil scientists across the world in the pursuit of their activities. This website provides information for IUSS members and those interested in soil science.


The IUSS offers a tremendous range of high-quality publications, such as the IUSS Alerts, IUSS bulletins, the “publish or perish”-series, congress reports since 1909, meeting reports, soil publications and many more.

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