Nutrients & Fertilizers

  • The primary nutrients are nitrogen, phosphorus and potassium. …
  • The intermediate nutrients are sulfur, magnesium, and calcium. …
  • The remaining essential elements are the micronutrients and are required in very small quantities.
  • Plants require 17 essential elements for growth: carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), potassium (K), sulfur (S), cal- cium (Ca), magnesium (Mg), boron (B), chlorine (Cl), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), nickel (Ni), and zinc (Zn).