Aslan Organic Fertilizer with Sulphur %40 so3 %25 humic acid %20 organic material %15 mineral element Fe and zn included This fertilizer Reduces the lime and ph of the soil, increases the organic material ratio of the soil and helps the root work more so by that way the used npk fertilizers before that stocked in the soil can be solved easily and taken by the roots so you will have a better yield. 25 kg bags 50 kg bags 1 mt jumbo bags.