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Watch Free Soil: What It Is and What It Does (1966) : Movies Without Downloading 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. | ||
Release Date | : | Jan 01, 1966 |
Runtime | : | |
Genres | : | Documentary |
Production Company | : | Coronet Instructional Films |
Production Countries | : | United States of America |
Casts | : | |
Plot Keywords | : | soil science, soil |
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