The General Directorate of the Turkish Coal Enterprises is a state owned company conducted lignite production under ministry of energy and natural resources.TKI, Tukiye`s biggest lignite producer, also produced high quality leonardite in mine sites. Thanks to leonardite TKI aims to increase the amount of organic materials of agricultural soil and reduces the use of chemical fertilizer. Produced liquid and solid organic fertilizers using leonardite and marketing these products in the national and international fertilizer industry.Among these products;1.Liquid Humic Acid2.Powder Potassium Humat3.Leonardite4.Gidya5.Organomineral Fertilizer will be Marketed.