Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits ?
Correct answer: C. Potassic fertiliser
- A. Nitrogenous fertilisers
- B. Phosphatic fertilisers
- C. Potassic fertiliser
- D. None of these
Explanation
Potassium fertilisers promote the formation and strengthening of fibrous plant material and support sugar accumulation in fruits and vegetables. Nitrogen mainly promotes vegetative growth, while phosphorus supports roots and reproductive development.
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