Products
Foliar - Potassium (K)
Deficiency Symptoms
Mottles chlorosis, necrosis, (especially at tips and margins between veins)
Older leaves most affected
In cereals, weak stalks, roots more susceptible to disease
Made worse by
High rainfall - leaching of soils
Soils with high illite-type clay minerals
Role In Plant Nutrition
Enzyme activator and coenzyme functions
Protein synthesis
Stomatal function, turgor potential
Examples of Deficiency
