16mm Filmography
Sign in Register

Nitrogen Cycle

Year Published: 1938

Creator: Eastman Teaching Films

Format: 16mm

Sound: sound

Description: Traces the nitrogen cycle showing nitrogen compounds as the key to the transfer of energy in nature. Points out man's responsibility to return nitrogen to the soil. A silent film.

No holdings listed.

Related films:

Original permalink · Record added: 2023-02-27 03:04:48