Soil: What It Is and What It Does
Movie
1966-01-01
10m
Documentary
Explains that different kinds of soil are mixtures of sand, clay, and humus; tells how the weathering of rocks helps make soil; includes simple experiments to show the kind of soil in which different plants grow well.
Status
Released
Released
1966-01-01
Runtime
10m
Studio
Country
United States of America
Links
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