DAP fertilizer is an excellent source of P and nitrogen (N) for plant nutrition. It’s highly soluble and therefore dissolves quickly in soil to release plant-available phosphate and ammonium. A notable property of DAP is the alkaline pH that develops round the dissolving granule. For a controlled release fertilizer supplier, https://listfav.com/story21993758/indicators-on-urea-fertilizer-nitrogen-you-should-know