Lawn fertilizing is one of those tasks. The frequency, rate and timing of fertilization depend on the species being grown, site conditions (e.g., sun or shade), and other factors such as soil type and pH (acidity or alkalinity). Fertilization increases the amount of nutrients in the soil. These nutrients, such as nitrogen, phosphorus, and potassium, provide numerous benefits. For example, nitrogen is a very beneficial element to add to the grass, helping the lawn recover from environmental stresses, sustaining plant health, and assisting in the production of genetic material that allows plants to grow and reproduce.