KNOW YOUR SOIL SERIES (14 films)

Duration: sd b&w

Year Published: 1959

Creator: Federal Cooperative Extension Service

Format: 16mm

Color: B&W

Sound: Sound

Description: Kinescopes. Titles are: 1. IMPORTANCE OF SOIL. 25min. How soil is formed; life in the soil; source of food and fiber. 2. HOW PLANTS GROW. 25min. Requirements for plant growth; makeup of soil; functions of soil. 3. PHYSICAL CHARACTERISTICS. 25min. Texture of the soil; structure of the soil; soil tilth. 4. SOIL WATER. 25min. Kinds of water; available water; infiltration and storage. 5. DRAINAGE. 23min. Permeability of soil; benefits from drainage; methods of drainage. 6. IRRIGATION. 24min. Crop requirements; time and frequency of irrigation; rate of application; methods. 7. pH: ACID-ALKALINE SOILS. 24min. What pH is; why it is important; what affects lime requirement; when, how and what to lime. 8. FERTILIZER MATERIALS. 23min. What is in the fertilizer bag; high analysis vs. low analysis; different forms of N, P, K. 9. PHOSPHORUS AND SULFUR. 24min. Amount present in soil and origin; factors which affect availability; practical control. 10. POTASH AND THE MINOR ELEMENTS. 25min. Origin and amount present; available form of potash; practical control. 11. ORGANIC MATTER. 27min. Plant and animal residue; soil microorganisms; rates of decomposition. 12. NITROGEN. 27min. Origin and amount present; factors affecting availability; nitrogen economy and practical control. 13. SOIL JUDGING. 26min. Soil characteristics; interpretation of characteristics; management practices based on characteristics. 14. SOIL SURVEY. 25min. What the soil survey is; who uses it; how a survey is made; names of common soils.

Complete Record: Source: GregHEd Interest level: sh-c-ad Price: rent ea $1.50 Format: sd b&w

Metadata Source:Educational film guide. Supplements (1959-62)