Macronutrients are defined as those elements:
A)required in certain relative amounts in the plant.
B)usually needed,but not always available.
C)required in relatively large amounts.
D)only taken up through the soil.

Question

Quizplus · Accepted Answer

Macronutrients are essential elements required by plants in relatively large amounts for growth and development. These include nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur. The term "macro" refers to the fact that plants require these elements in larger quantities compared to micronutrients, which are required in smaller amounts.

Macronutrients Are Defined as Those Elements