Products

Foliar - Nitrogen (N)

Deficiency Symptoms

Lack of growth or stunted growth
General yellowing of foliage, older leaves first
Loss of leaves under severe deficiency
Purplish colouration due to accumulation of anthocyanin pigments

Made worse by

Low organic matter
High carbon (straw) residues added to soils

Role In Plant Nutrition

Amino acid synthesis
Protein, coenzymes, nucleic acid formation
Chlorophyll and ATP synthesis

Examples of Deficiency