Alfalfa Requires Good Fertility
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Explains that good soil preparation is necessary to produce alfalfa. Shows the effect of the use of lime, calcium and magnesium. Discusses the effect of such nutrients as phosphorous, potash and boron.
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Sources
- 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
- 16mm Filmography (legacy record) — catalog record
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