Nutrient mobility in plants and Nutrients their availability in soil to the plants and its mobility in the plant system as well as their mobility in soil is quite critical. Elements considered highly mobile in plants may not be mobile in soils.
Available forms of nutrient s to plantsNutrient Form available to plants Nitrogen NO3 – , NH4 + Phosphorus H2 PO4 – , HPO4 2 – Sulphur SO4 2 – , SO3 2 – Boron BO3 3 – , HB4 O7 – Moybdenum HMO O4
Nutrient form of nitrogen, phosphorous, sulphur, boron, Molybdenum available to plant Mobility of nutrient in soil Level of mobility Nutrient Mobile NO2 / NO3 , SO4 , BO3 , Mn2+ , Cl Less mobile NH4 , K+ Ca, Mg, Cu Immobile H2 PO4 – ,H PO4 , Zn 2+
Mobility of major ions in soil mobile, less mobile and immobile Mobility in plant system Class of mobility Nutrients High mobile N, P, K Moderate mobility Zn Less mobile S, Fe, Cu, Mn, Mo & Cl Immobile Ca& B
Mobility of nutrients in plant system highly mobile, moderately mobile, less mobile and immobile nutrients Read more – > Range of cation exchange capacity of plants and their range
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