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23/08/2021 8:29 pm
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Phosphorous and nitrogen ions generally get depleted in soil because they usually occur as
(1) positively charged ions
(2) neutral ions
(3) both positively and negatively charged but disproportionate mixture
(4) negatively charged ions
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23/08/2021 8:30 pm
(3) both positively and negatively charged but disproportionate mixture