Fertilizers are substances added to soil or plant tissues to supply nutrients essential for plant growth. They must be in a form accessible to plants, typically dissolved in water, and should not be detrimental to plant health or soil properties like pH.
Which among the following is/are wrong about a fertilizer? (i) Fertilizer must be insoluble in water (ii) It should maintain the pH of 10 to 13 (iii) It should not be poisonous to plants
Asked in TNPSC CS Prelims 2022 · Topic: The Fertilizers (Classification and Types of Fertilizers)