Chlorine (Cl), Molybdenum (Mo), Nickel (Ni)


Chlorine, Molybdenum, and Nickel are usually not of concern, so will not be discussed further than the following table.

Table 1. Uptake form, function and mobility of soil-derived minor micronutrients in plants*

Nutrient

Uptake Form

Function

Mobility

Chlorine

Cl⁻

Photosynthesis

Mobile

Molybdenum

MoO₄²⁻

Utilizes nitrogen; nitrogen fixation in legumes

Not mobile

Nickel

Ni⁺

Iron metabolism

Mobile

* Based on information from Mahler (2004)