Select mineral that is considered as a macronutrient.
Correct answer: A. Phosphorus
- A. Phosphorus
- B. Zinc
- C. Iron
- D. Iodine
Explanation
Calcium, sodium, magnesium, phosphorus and potassium are sometimes included as macronutrients because they are required in relatively large quantities compared with other vitamins and minerals.
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About Plant Nutrition and Transport
Plants require macronutrients and micronutrients for growth, and mineral deficiencies produce recognizable symptoms. Transport involves water and minerals through xylem by transpiration pull, cohesion and adhesion, while phloem translocates sugars from sources to sinks. Root pressure and transpiration are distinct mechanisms.
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