Water movement in soils
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The demonstration, using a model of a vertical section through the soil and time lapse photography, shows how liquid moves through soil of various compositions. The elements of the soil, which control the movement of water and liquid fertiliser, are of major importance in agriculture, irrigation, erosion control etc.
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
- Educational film guide. Supplements (1959-62) — title, year, length, format, color, sound, description, catalog record
Original permalink · Record added 2026-01-23 04:28:39