Fertilizer is one of the most important elements that increases productivity by providing the basic nutrients needed by plants in agricultural production. The correct use of fertilizers preserves the fertility of the soil, promotes the growth of plants and improves the quality of harvesting. Organic fertilizers have been preferred more and more in recent years due to their environmental friendliness and their improving effects on the soil structure. Chemical fertilizers, on the other hand, give effective results in a short time with a high nutrient content, but it is of great importance that they are used with the correct dosage and application techniques. The correct use of fertilizers at every stage of agricultural production plays a critical role for sustainable agriculture and healthy soils.