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Phosphorus and nitrogen ions generally get depleted in soil because they usually occur asA. neutral ionsB. negatively charged ionsC. positively charged ionsD. both positively and negatively charged but disproportionate mixture |
Answer» Correct Answer - B In the soild, phosphorus and nitrogen are present as negatively charged ions, e.g., `H_(2)PO_(4)^(-),NO_(2)^(-),NO_(3)^(-)` ions. These are usually supplied by fertilisers as urea. |
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