Potassium plays a significant role in the transport of water & nutrients through the plant in the xylem. When the supply of K is reduced, the transportation of ___________________ is depressed:
Correct answer: D. All of the above
- A. Nitrates, Phosphates
- B. Calcium, magnesium
- C. Amino acids
- D. All of the above
Explanation
Potassium supports xylem transport and the translocation of several mineral nutrients and organic compounds. Reduced potassium supply can therefore depress movement of nitrates, phosphates, calcium, magnesium and amino acids.
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