Agricultural fertilizer is a chemical compound, used in agricultural soil to enhance the growth, development, and yield of plants and crops. Agricultural fertilizers contain essential nutrients that plants require to grow and reproduce. These nutrients may include nitrogen, phosphorus, potassium, magnesium, sulfur, calcium, iron, manganese, copper, zinc, molybdenum, boron, chlorine, cobalt, etc. Different fertilizers are available depending on their physical state, whether solid, liquid, or gas. These include but are not limited to, organic fertilizers, chemical fertilizers, and organic-chemical fertilizers. Application methods of fertilizers include surface application, irrigation, fertilization by injection, fertilization by dipping, and fertilization by sprinkling. The application of fertilizers also depends on the type of crop and its growth stage. Applying agricultural fertilizers is an essential component of sustainable and high-yield agricultural production.