ABSTRACT
Common features of B, Mo, and Se are that all three are nutrient elements that can be mainly
found either in anionic or neutral form in soil solution and are relatively mobile in soils.
Boron and Mo are essential elements for both plants and animals, while Se is an important
element for humans and animals. Both B and Mo are essential micronutrients required for
the normal growth of plants, with differences between plant species in the levels required
for normal growth of plants. There is a narrow soil solution concentration range defining B
or Mo deficiencies and toxicities in plants.