Our Soil Resources: Formation and Conservation

Duration: 11

Year Published: 1947

Creator: Encyclopaedia Britannica Educ Corp

Format: 16mm

Color: B&W

Description: Shows processes of soil formation, the four great soil groups of the earth, the location of these soil groups in the United States, man's exploitation of the soil, and the major scientific farming techniques designed to replace soil fertility losses and stop erosion.

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Indiana University Library Moving Image Archive

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