Soil: What It Is and What It Does (1966)
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.
Genres: Documentary
Keywords: tmdb.soil-science, tmdb.soil
Production Companies: Coronet Films
Country: United States
Languages:
English
Recommendations
Runtime: 10 min.
Released: Jan. 1, 1966
Status: Released
Certification: NR