Farmers turn to fertilizers because these substances contain plant nutrients such as nitrogen, phosphorus, and potassium. Fertilizers are simply planted nutrients applied to agricultural fields to supplement required elements found naturally in the soil. Fertilizers have been used since the start of agriculture.Click to see full answer. In respect to this, why are fertilizers important?Hence, the importance of using fertilizers rises. Fertilizers are substances containing chemical elements such as manure or mixture of nitrates that improves the growth of plants. They give nutrition to the crops. When added to soil or water, plants can develop tolerance against pests like weeds, insects and diseases.Also, what are the uses of fertilizer? Uses of Fertilizers They are used to provide additional nutrients to the plants. They are added to improve the yield of the crops. Nitrogen-rich fertilizers are used for the greening of lawns. Organic fertilizers improve the texture and fertility of the soil. Secondly, what are the advantages of using fertilizers? In addition to releasing nutrients, as organic fertilizers break down, they improve the structure of the soil and increase its ability to hold water and nutrients. Over time, organic fertilizers will make your soil–and plants–healthy and strong.What type of fertilizer do farmers use?Most fertilizers that are commonly used in agriculture contain the three basic plant nutrients: nitrogen, phosphorus, and potassium. Some fertilizers also contain certain “micronutrients,” such as zinc and other metals, that are necessary for plant growth.