16mm Filmography
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Alfalfa Requires Good Fertility

Creator: Amer Potash Inst

Format: 16mm

Sound: sound

Description: 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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Original permalink · Record added: 2023-02-27 02:03:39