Potassium comes from primary minerals in soil like micas and potassium feldspar. These minerals slowly weather and eventually the potassium becomes more and more available to be held in soil solution or taken up by plant roots
Potassium comes from primary minerals in soil like micas and potassium feldspar. These minerals slowly weather and eventually the potassium becomes more and more available to be held in soil solution or taken up by plant roots.
