Our Soil Resources - Formation And Conservation

Duration: 3:50

Year Published: 1947

Creator: Encyclopedia Britannica Films

Format: 16mm

Sound: sound

Description: Explains how soil is formed by the physical and chemical disintegration of rock and by chemical decomposition of plant and animal matter. Shows the world's four soil groups. , L: Limited Access CP: Composite Positive AC: Acetate A: 400' 16/8/9.5mm 16mm Black & White Sound Encyclopaedia Britannica Educational Corporation. Films & Video.

Complete Record: Explains how soil is formed by the physical and chemical disintegration of rock and by chemical decomposition of plant and animal matter. Shows the world's four soil groups. NOTE: Two (or more) records have been merged together to create this data.

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Original permalink · Record added: 2023-02-27 03:09:26