Pay Dirt

Deals with the deficiency symptoms of plants lacking in one or more needed fertilizer elements.

Related films

Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record
  3. Wikidata · Q3373234 ↗ — year