| 1 | Ammonium sulfate (a fertilizer) is also added. | |
| 2 | Ammonium sulfate can be substituted during the cooler months as a nitrogen source. Ammonium sulfate also benefits disease control. | |
| 3 | We understand you are in need of a large quantity (quantities) of ammonium sulphate, and wish to have a share in this business. | |
| 4 | All right, Mrs. Mary. As a token of friendship, we accept your counteroffer for ammonium sulphate for 50,000 tons, at 270 French francs per metric ton F.O.B., Marseilles. | |
| 5 | The nitrification was decreased when the urea or ammonium sulfate was combined with ammonium chloride. |