16mm Filmography
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Time For Decision

Year Published: 1968

Creator: Iowa State Univ/ISURF-Film

Format: 16mm

Sound: sound

Description: Outlines how the Dutch Elm disease kills, how it spreads by beetle and root graft and control measures. Shows scientific research both for better control and for resistant varieties of plants.

No holdings listed.

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Original permalink · Record added: 2023-02-27 05:49:03