DENDROLOGY

Detailed explanation-1: -Essential nutrients are nutrients that the human body is unable to synthesize. They must be obtained from food or water. Essential nutrients include carbohydrates, proteins, fats, vitamins, and minerals. Carbohydrates, proteins, and fats are all part of a group of essential nutrients called macronutrients.

Detailed explanation-2: -Nutrients that plants require in larger amounts are called macronutrients. About half of the essential elements are considered macronutrients: carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, calcium, magnesium and sulfur.