Botany · Plant Nutrition
The deficiency of primary essential macronutrients in plants can be replenished by providing which of the following combinations?
- 1Zinc, Boron, and Copper
- 2Iron, Magnesium, and Potassium
- 3Copper, Nitrogen, and Iron
- 4Nitrogen, Potassium, and Phosphorus✓
Correct answer
Nitrogen, Potassium, and Phosphorus
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