About nineteen elements are required for the growth of rice plants, of this Nitrogen, Phosphorous, and Potassium are required in large amounts and are referred to as the macro elements
Potassium is supplied to the rice plant in the form of the fertilizer, Muriate of Potash. It contains 60% K2O.
FUNCTIONS OF POTASSIUM IN THE RICE PLANT
- It plays a major role in photosynthesis and grain filling
- It is associated with the resistance to fungal disease and lodging
DEFICIENCY SYMPTOMS OF POTASSIUM IN RICE PLANT
Dark green leaves with yellowish brown margins, or dark brow necrotic spots appearing first on the tops of older leaves.