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Doctors Medicines MCQs Q&A

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Check if it has any nitrogen, potassium, or phosphorus deficiencies. Deficiencies of these 3 minerals can be roughly diagnosed through leaf appearance. Nitrogen deficiencies lead to yellow and brown leaves; phosphorus deficiencies cause purple-veined and slow-growing leaves; potassium deficiencies lead to curled, distorted leaves. Nitrogen is the nutrient that is most often deficient in plants.

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