DAP fertilizer is a superb source of P and nitrogen (N) for plant nutrition. It’s highly soluble and so dissolves quickly in soil to release plant-available phosphate and ammonium. A notable property of DAP is the alkaline pH that develops within the dissolving granule. Soil Testing: To determine your soil’s https://bookmarkahref.com/story20297849/the-basic-principles-of-npk-ferterlizer