Jayasinghe, J. A. S. G.; Athukorala, A. D. S. N. P.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)
As the third essential plant macronutrient, potassium plays crucial roles in plant growth, metabolism and development. The most common soil components of potassium, 90–98%, are feldspar and mica which are plant unavailable ...