Mineral Nutrition Question 24
24. Phosphorous 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
Show Answer
Answer : d
Hints & Solution
(d) Phosphorus and nitrogen are essential elements normally required in large quantities by plants.
