The primary macronutrients are nitrogen, phosphorus and potassium True False

True<br /><br />The primary macronutrients are indeed nitrogen, phosphorus, and potassium. These nutrients are essential for plant growth and are required in relatively large amounts. Nitrogen is involved in the synthesis of proteins and nucleic acids, phosphorus is a component of ATP and nucleic acids, and potassium is involved in regulating water balance and osmoregulation.