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COBALT (Co) 58.93 Atomic Weight

(Micro Nutrient)

Cobalt, though widely dispersed, constitutes 0.001% of the earth’s crust.  It is present in small quantities in the sun and stellar atmospheres.  It occurs naturally in many elemental compounds, and is found in natural waters, plants, and animals.  Cobalt is an essential trace element, as part of vitamin B-12, in the formation of red blood cells.  In plants, Cobalt has recently been shown to be required by legumes when fixing nitrogen, but not when fixed nitrogen is present.  Cobalt in small amounts has been found to be effective in correcting mineral deficiencies in some animals, and it aids in the growth process of root development in the soils.  As with most trace elements, excessive amounts can be toxic or carcinogenic.