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.
Genre: Documentary
Stars:
Crew:
Country: United States of America
Language:
Studio: Coronet Instructional Films
Runtime: 10 minutes
Quality: HD
Released: Jan 01, 1966
IMDb: 10
Keywords:soil science, soil
