This micronutrient is needed by crop plants in such small quantities that we may take for granted it is unlikely to ever be deficient.

Practical Research: Let’s look at a key micronutrient we may all be taking for granted
Practical Research: The history of crop production on the Prairies was one of nutrient extraction at an alarming pace
Molybdenum (Mo) is important to the growth of all plants, including your canola
Molybdenum was once known as ‘poor man’s lime’ for a good reason
Researchers say non-targeted copper application does not increase macronutrients
Sheep and goats and cattle do not have the same copper needs