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Common Fertilizer Chart
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Type of fertilizer  Fertilizer
  


  

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Common Fertilizer Chart
Diammonium phosphate(DAP)
DAP is the most widely used phosphate fertilizer among growers today.It is an excellent source of P and nitrogen for plant nutrition.It is highly soluble and thus dissolves quickly in soil to release plant-available phosphate and ammonium. When applied as plant food, it temporarily increases the soil pH, but over a long term the treated ground becomes more acidic than before upon nitrification of the ammonium.A notable property of DAP is the alkaline pH that develops around the dissolving granule.As ammonium is released from dissolving DAP granules, volatile ammonia can be harmful to seedlings and plant roots in immediate proximity.

Diammonium phosphate(DAP)

Formula: (NH4)2HPO4
Total N(%):18
Available phosphoric acid(%): 46
Soluable potash(%): 0
Type of Fertilizer: Compound fertilizers

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Top Use:    Common Fertilizer Chart     Fertilizer: Ammonium polyphosphate

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