In this fertilizer the basic nutrients are contained in a form which is easily accetable by plants. The nitrogen here is approximately of 40 % in the form of the nitrate and of 60 % in the ammoniacal form, more than 40 % of phosphorus is in the water soluble form and potassium is in the water soluble form of the chloride. The granulation of this fertilizer ensures a quick and exact dosing. The bulk density is approx. 1,000 kg.m-3 and the angle of slope is 35°.
Compound fertilizer NPK 15-15-15 is suitable for soils with medium and higher nutrient reserves and in case the plants have higher demand for nitrogen and phosphorus.