"Soil" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
The unconsolidated mineral or organic matter on the surface of the earth that serves as a natural medium for the growth of land plants.
This graph shows the total number of publications written about "Soil" by people in this website by year, and whether "Soil" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.