Correct option is C
The correct answer is: (C) 20%
Explanation:
Bone meal is an organic fertilizer made from crushed animal bones, primarily used as a phosphorus-rich soil amendment.
Bone meal is an organic fertilizer made from crushed animal bones, primarily used as a phosphorus-rich soil amendment.
As per standard fertilizer quality norms, bone meal should contain a minimum of 20% P₂O₅ (phosphorus pentoxide) to be effective and meet agricultural quality standards.
Information Key Points:
Bone meal is a slow-release source of phosphorus.
It improves root development and flowering in crops.
It also contains calcium, beneficial for plant cell wall strength.
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