An essential element is that which

  • A
    Improves health of the plant
  • B
    Is irreplaceable and indispensable for growth of plants
  • C
    Is found in plant ash
  • D
    Is available in the soil

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State the importance of essential minerals in plants.

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In which of the following,all three are macronutrients?

Which one is an inorganic nutrient?

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