Title 12 mineral nutrition botany ppt - part 2.pdf ✅

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• This is required by plants in the greatest amount. • It is absorbed mainly as NO3 –. Some are also taken up as NO2 – or NH4 +. Functions:  It is essential for all plant parts, mainly meristematic tissues and metabolically active cells.  It is the major constituents of amino acids, proteins, nucleic acids, chlorophyll, vitamins and hormones. ESSENTIAL MINERAL ELEMENTS 1. NITROGEN www.bankofbiology.com

• It is absorbed as potassium ion (K+). • It is highly required in meristem, buds, leaves and root tips. Functions:  It maintains an anion-cation balance in cells.  It is involved in protein synthesis, opening and closing of stomata, activation of enzymes and in the maintenance of the turgidity of cells. ESSENTIAL MINERAL ELEMENTS 3. POTASSIUM www.bankofbiology.com