| Name | Chemical Formula | Form | Analysis |
| Ammonium Nitrate | NH4NO3 | Solid | 34-0-0 |
| Monoammonium Phosphate | NH4H2PO4 | Solid | 11-48-0 |
| Diammonium Phosphate | (NH4)2PO4SO4 | Solid | 18-46-0 |
| Ammonium Phosphate Sulfate | (NH4)3H2PO4SO4 | Solid | 16-20-0 |
| Anhydrous Ammonia | NH3 | Gas | 82-0-0 |
| Aqua Ammonia | NH3H2O | Liquid | 10-0-0 |
| Calcium Nitrate | Ca(NO3)2 | Solid | 15.5-0-0 |
| Urea | (NH2)2CO | Solid | 45-0-0 |
| Urea Ammonium Nitrate | (NH2)2CO.NH4NO3 | Liquid | 32-0-0 |
| Ordinary Superphosphate | CA(H2PO4)2 | Solid | 0-20-0 |
| Potassium Nitrate | KNO3 | Solid | 13-0-44 |
| Potassium Sulfate | K2SO4 | Solid | 0-0-60 |
| Potassium Chloride | KCL | Solid | 0-0-60 |
| Treble Superphosphate | Ca(H2PO4)2 | Solid | 0-45-0 |
| Material | Grade |
| Steer Manure | 2.0-0.5-1.9 |
| Sheep Manure | 2.0-1.0-2.5 |
| Poultry Droppings | 4.0-3.2-1.9 |
| Seaweed | 0.2-0.1-0.6 |
| Fish Meal | 10.4-5.9-0 |
| Sewage Sludge | 2.0-3.0-0 |
| Bat Guano | 13.0-5.0-2.0 |
| Bone Meal | 1.0-12.0-0 |
| Milorganite | 6.0-3.0-0 |
*Organic materials are highly variable in moisture content and in the concentration of individual plant nutrients. The management of the organic materials prior to incorporation in the soil is a primary factor determining the nitrogen content of the material.
Table 3. Nitrogen fertilizer for lawns.
Amount to apply, lbs. per 1,000 sq. ft.
March /April June Sept.
Grades Name
45-0-0 Urea 3.5 1.25 2
33-0-0 Amm.Nit. 5 2 3
21-0-0 Amm.Slft. 8 4 4
The fertilizer grades cited are examples only.
Other equally effective grades are
commonly available.
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