Answer: macronutrient

AnswerCrossword Clue
macronutrientA type of food (e.g., fat, protein, carbohydrate) required in large amounts in the human diet
macronutrientA chemical element (e.g., potassium, magnesium, calcium) required in large amounts for plant growth and development
macronutrientA substance required in relatively large amounts by living organisms, in particular
macronutrienta chemical element (as nitrogen, phosphorus, or potassium) of which relatively large quantities are essential to the growth and health of a plant