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Conversion Tables

 

Element Forms
NH4 N-NH4

0.777

        

 N-NH4

 NH4

 1.285

NO3 N-NO3

0.226

 

 N-NO3

 NO3

 4.427

P2O5 P

0.436

 

 P

 P2O5

 2.291

PO4 P

0.326

 

 P

 PO4

3.066

K2O K

0.830

 

 K

 K2O

1.205

CaCO3 Ca

0.400

 

 Ca

 CaCO3

2.497

CaO Ca

0.714

 

 Ca

 CaO

1.399

MgCO3 Mg

0.288

 

 Mg

 MgCO3

3.467

MgO Mg

0.603

 

 Mg

 MgO

1.657

 

 

                                   

 

Meq/l - ppm conversion table 
Meq/l  N-NO3 or N-NH4 ppm N 14 ppm N-NO3 or N-NH4 Meq/l N 0.07143
Meq/l H2PO4 ppm P 31 ppm P (Phosphorus) Meq/l H2PO4 0.03226
Meq/l K (Potassium) ppm K 39 ppm K (Potassium) Meq/l K 0.0256
Meq/l Ca (Calcium) ppm Ca 20 ppm Ca (Calcium) Meq/l Ca 0.05
Meq/l Mg (Magnesium) ppm Mg 12 ppm Mg (Magnesium) Meq/l Mg 0.0833
Meq/l SO4 (Sulfate) ppm SO4 48 ppm SO4 (Sulfate) Meq/l SO4 0.02083
Meq/l Na (Sodium) ppm Na 23 ppm Na (Sodium) Meq/l Na 0.04348
Meq/l Cl (Chloride) ppm Cl 35.5 ppm Cl (Chlorides) Meq/l Cl 0.02817

 

 

Click Here for Water Soluble Fertilizers Data

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