Fertilization is one of the most important agro-technical measures in agricultural production, whose purpose is to supply soil with nutrients or makes up for lost nutrients. Fertilization ensures high- stable yields and increases soil productivity while contributing to a more successful production. Fertilizers and pesticides are not being use in ecological agriculture. Despite the fact that they are giving high yields, they do not have positive effect on the ground which causes an ecological problem. Organic fertilizers are used in ecological agriculture. They are mainly produced from plant and animal remains, secrations and mixtures and have positive effect on the physical and chemical properties of the soil. Procedures and measures which enrich the soil, such as crop rotation or exchange culture, liming to neutralize the acidity in the soil and input conditioner in the soil, are also being use in ecological production. The main purpose of this work was to present the most important fertilizers and procedures in ecological production.