Essential Plant Nutrients
Plants require 16 essential nutrients: Carbon, Hydrogen, Oxygen (from air/water), and 13 mineral nutrients. Macronutrients include Nitrogen (N), Phosphorus (P), Potassium (K), Calcium, Magnesium, and Sulfur. Micronutrients include Iron, Manganese, Zinc, Copper, Boron, Molybdenum, and Chlorine.