In acidic soil which form of phosphorus uptake by plants?
Correct answer: C. Primary orthophosphate
- A. Both
- B. Secondary orthophosphate
- C. Primary orthophosphate
- D. None of theseHire Grant Writers
Explanation
Acidic soils favour the primary orthophosphate ion, H₂PO₄⁻, which is one of the principal forms absorbed by plant roots. The secondary form HPO₄²⁻ becomes more important as soil pH rises.
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