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Read the following statements
(A) . Ata given time, potassium in the solution and exchangeable forms constitutes the fraction readily available to plants
(B) . The exchangeable K tends to attain equilibrium slowly with solution K but, rapidly with non-exchangeable K.
(C) . The solution K concentration largely controls the K movement (diffusion) towards the plant roots and thereby, the K
uptake by plants.
(D) . On depletion of exchangeable K, the non-exchangeable K replenishes it and the supply of K to plants is maintained.
Choose the correct answer from the options given below: