Fertilises

Fertilises is the third-person singular present tense of the verb fertilise. To fertilise means to supply nutrients to soil or to plants in order to promote growth. The noun form fertiliser (British spelling) or fertilizer in American English refers to a substance or mixture that provides these nutrients.

Fertilizers can be inorganic (synthetic) or organic. Inorganic fertilizers contain minerals such as nitrogen, phosphorus, and potassium; common products include ammonium nitrate, urea, and diammonium phosphate. Organic fertilizers include compost, manure, bone meal, and green manures.

Application methods include broadcasting, banding, incorporation, top-dressing, foliar feeding, and fertigation.

Nutrient content centers on macronutrients nitrogen, phosphorus, and potassium, with secondary nutrients such as calcium, magnesium, and sulfur, and various micronutrients.

Environmental considerations include the risk of nutrient leaching and water pollution, as well as nitrous oxide emissions. Best practices include soil testing, applying appropriate rates and timing, using slow-release products, and precision agriculture.

Fertilisation practices have evolved from natural manures to chemical fertilizers in the 20th century. Modern fertiliser products are regulated for safety, labeling, and nutrient content in many jurisdictions.