DAP

Diammonium Phosphate (DAP) is the world’s most widely used Phosphorus (P) fertilizer. It is made from two common constituents in the fertilizer industry and it is popular because of its relatively high nutrient content and excellent physical properties. It is highly soluble in water and thus dissolves quickly in soil to release plant-available phosphate and ammonium. A notable property of DAP is the alkaline pH that develops around the dissolving granule.

Diammonium Phosphate, in the form of Hydrogen Phosphate, is used in the agricultural sector used as a compound fertilizer. Phosphates react with sulphuric acid to produce phosphoric acid, which in turn reacts with Ammonia. This process converts the poorly water-soluble Rock Phosphate into a water-soluble Phosphate fertilizer that is easily assimilated by plants. DAP is a grey or beige-grey granular substance.