Soil: What It Is and What It Does1966

Name: Soil: What It Is and What It Does
Genre: Documentary
Released: 1966
Duration: 10 min

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.

Released: 1. 1. 1966
Runtime: 10 min
Genres: Documentary
Certification: NR
Country, language: US · EN

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