Topsoil

Duration: 11

Creator: United States Dept of Agriculture

Format: 16mm

Color: B&W

Sound: sound

Description: Discusses the importance of topsoil to everyone, demonstrates the difference in the rate of plant growth in topsoil and subsoil, pictures the formation of soil from inorganic and organic matter, and compares proper and improper plowing practices.

2 users have this film:
Indiana University Library Moving Image Archive, University of Maryland 16mm

Related films:

Original permalink · Record added: 2025-10-23 03:00:46