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  Product Information Home » Greenhouse » Fertilizer » Plant-Prod fertilizer


Plant-Prod 21-7-7 Acid

This formula has a very high potential acidity. If used in a continuous feeding program, the pH should be monitored to ensure that it does not go below the desired level. It is recommended for crops such as azaleas, rhododendrons and many evergreens requring acid soil conditions. When irrigation water has a high pH, 21-7-7 will help to overcome the effect of the bicarbonate ions in the media and gradually reduce the pH for better growth of bedding plants, pot crops, cut flowers, and nursery stock in containers and in the field.

 
 
 
Item # Description Size #/skid
36320 Plant-Prod 21-7-7 Acid 15kg 63
35015 Plant-Prod 21-7-7 Acid (No Dye) 15kg 63
 

Formulation

Acid Fertilizer
21-7-7

Total Nitrogen (N)

21%

Nitrate Nitrogen

2.1%

Ammoniacal Nitrogen

13.2%

Urea Nitrogen

5.7%

Available Phosphoric Acid (P2O5)

7%

Soluble Phosphorus (P)

3%

Soluble Potash (K2O)

7%

Soluble Potassium (K)

5.8%

Calcium (Ca)

0%

Magnesium (Mg)

0%

Sulphur (S)

13%

Iron (Fe)

0.10%

Manganese (Mn)

0.05%

Zinc (Zn)

0.05%

Copper (Cu)

0.05%

Boron (B)

0.02%

Molybdenum (Mo)

0.0005%

Chelating agent

1.24% EDTA

Potential Acidity (A)/Basicity (B) (kgs CaCO3 per tonne of fertilizer)

790 (A)

Temperature vs.Solubility (grams of fertilizer per litre of water)

 

15ºC

540

25ºC

560

 
 
Resource
Centre
 
SDS
Label
Plant-Prod Premixed Soluble Fertilizers
Plant-Prod-Injector-Rates
Plant-Prod Conductivity (mmhos)
 
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