Micronutrient Fertilizer Availability Of Mn
Jun 08, 2016

Manganese (Mn) :

Main Function : Oxidation-reduction reactions; nitrate reduction; enzyme activator
Approx. Conc. in Plant : 5-500ppm

  • Immobile in the soil

  • Exists in mineral & organic forms - Held by clays and OM

  • Availability influenced by:
    - pH: most available 5.0 < pH < 6.5
    - OM: high OM decreases availability
    -Acidifying fertilizers increase Mn 2+  uptake

Manganese (Mn) Deficiency of Plant :