Which of the following nutrients is not available in fertilizers?

Question: Which of the following nutrients is not available in fertilizers?

A  Nitrogen

B   Phosphorus

C    Iron

D  Potassium

Answer:  Iron

    Introduction Primary Nutrients                 Uses
Nitrogen-based fertilizer Nitrogen ·        Promotes leafy green growth and overall plant vigor.

·        Used for lawns, vegetables and leafy crops.

Phosphorus-containing fertilizer  Phosphorus ·        Supports root development, flowering, and fruiting.

·        Used for flowering plants and fruit trees.

Potassium-based fertilizer Potassium ·        Aids in overall plant health, stress resistance and disease prevention.
NPK fertilizer contains Nitrogen, Phosphorus  and Potassium Nitrogen, Phosphorus and Potassium ·        A balanced fertilizer containing all three primary nutrients.

·        Suitable for most plants and gardens.

Urea rich fertilizer Nitrogen ·        A high-nitrogen fertilizer often used for grass and lawns.

·        Provides a quick green-up effect.

Superphosphate Phosphorus ·        Promotes strong root development and flowering in plants like roses and bulbs.
Muriate of Potash Potassium ·        Provides potassium for various crops, including fruits and vegetables.
Ammonium Nitrate Nitrogen ·        Used for crops like corn and wheat, providing a readily available source of nitrogen.