By Warren L. Anderson
Summary: An early report on the important effects of trace minerals in soil, livestock, and humans. At the time of these articles, in 1949, the macro minerals—calcium, phosphorus, and potassium—were fairly well understood in terms of plant growth. On the other hand, the trace minerals, e.g., iodine, zinc, copper, manganese, iron, etc., were poorly understood until research like this began to appear. The role of trace minerals in the formation of nutrients such as cobalt and vitamin B12 had only just been discovered. This knowledgeable author shows the insidious effects and unsuspected diseases in plants, livestock, and humans caused by trace mineral deficiencies. From Hoard's Dairyman magazine. Reprint 71, 1949.
View PDF: The Trace Elements (3 Articles)
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