Question

Name the major macronutrients required for plant growth. Describe the role of any two of them.

28 Jan 2026
Answer :
Word Count : 255
Plants require several essential macronutrients for normal growth and development, which are needed in relatively large quantities. The major macronutrients include carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur. Carbon, hydrogen, and oxygen are obtained mainly from air and water, while the remaining elements are absorbed from the soil through roots. Each macronutrient plays a specific and vital role in plant metabolism and structure. Nitrogen is one of the most important macronutrients required for plant growth. It is a fundamental component of amino acids, which are the building blocks of proteins, and is also an
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