Phosphorus and nitrogen ions generally get depleted in soil because they usually occur as (a) neutral ions (b) negatively charged ions (c) positively charged ions (d) both positively and negatively charged but disproportionate mixture.

Phosphorus and nitrogen ions generally get depleted
in soil because they usually occur as
(a) neutral ions
(b) negatively charged ions
(c) positively charged ions
(d) both positively and negatively charged but
disproportionate mixture.
by

1 Answer

Answer :

(b) negatively charged ions
by

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