These codes should be used in all fertilizer tonnage reporting.

Nitrogen Materials

Material Name Code % N
Ammonia, Anhydrous 2 82.0
Ammonia, Aqua 6 20.5
Ammonium Nitrate 10 34.0
Ammonium Nitrate-Sulfate 16 30.0
Ammonium Sulfate 24 21.0
Ammonium Thiosulfate 31 12.0
Calcium Nitrate 43 15.5
Nitrogen Solution (28% N) 58 28.0
Nitrogen Solution (30% N) 59 30.0
Nitrogen Solution (32% N) 60 32.0
Sodium Nitrate 62 16.0
Sulfur Coated Urea 64 36.0
*Polymer Coated Urea 65 44.0
Urea 66 46.0
Urea Solution 67 20.0
Urea-Formaldehyde 68 38.0
Nitrogen Materials (No Code) 97  
Nitrogen Materials (No Analysis or code) 98  

Phosphate Materials

Material Name Code % N % P
Ammonium Phosphate 202 13.0 39
Diammonium Phosphate 203 18.0 46
Basic Slag 208   9
Monoammonium Phosphate 209 10.0-11.0 48-55
Bone Meal, Raw 214 3.9 22
Bone Meal, Steamed 216 2.2 27
Bone, Precipitated 218   35
*Monoammonium Phosphate + S(10%), Zn(1%) 219 12 40
*Monoammonium Phosphate + S(15%) 220 13 33
Calcium Metaphosphate 223   60
Colloidal Phosphate (Soft Phosphate) 228   2
Phosphate Rock 243   3
Phosphoric Acid (under 62% P2O5) 248   54
Liquid Ammonium Polyphosphate 249 10.0 30-34
Precipitated Phosphate 253   35
Superphoshate, Normal (below 23% P2O5) 263   18-22
Superphosphate, Enriched (23%-40% P2O5) 265   23-40
Superphosphate Triple (above 40% P2O5) 267   41-46
Superphosphoric Acid (68% P2O5 or more) 273   68-72
Phosphate Materials (No Code) 297    
Phosphate Materials (No Analysis or Code) 298    

Potash Materials

Material Name Code % N % K
Muriate of Potash (Potassium Chloride) 428   60-62
Sulfate of Potash-Magnesia 443   22
Potassium Nitrate 453 14.0 44
Potassium-Sulfate 463   48-50
Potassium Materials (No Code) 497    
Potassium Materials (No Analysis or Code) 498    

Secondary Nutrient and Micronutrient Materials

Material Name Code
Borax (Boron as Borax) 706
Copper Oxide, Black 716
Copper Oxide, Red 717
Copper Sulfate 720
Copper Chelate 722
Ferric Oxide 724
Ferric Sulfate 726
Ferrous Sulfate 728
Iron Chelate 730
Gypsum (Calcium Sulfate) 732
Calcium Chelate 733
Magnesia (Magnesium Oxide) 742
Epsom Salt (Magnesium Sulfate) 744
Manganese Chelate 749
Manganese Oxide 750
Manganese Sulfate 754
Molybdenum (As Sodium Molybdonate) 762
Soil Conditioner 766
Sulfur 770
Sulfuric Acid 774
Zinc Oxide 778
Zinc Oxysulfide 780
Zinc Sulfate 782
Zinc Chelate 784
Sec. & Micronutrient Materials (No Code) 797
Sec. & Micronutrient Materials (No ID) 798

Multi-nutrients and Other Fertilizers

Material Name Code
Custom Mixes (Identified by Grade) 0
Multinutrient (No Analysis or Code) 998

*Minnesota Code