1. Production of fertilizers: Ammonia is primarily used in the production of fertilizers, particularly nitrogen-based fertilizers such as ammonium nitrate, urea, and ammonium sulfate. These fertilizers are essential for increasing crop yields and supporting agricultural productivity.

2. Manufacturing of explosives: Ammonia is a key component in the production of explosives, such as ammonium nitrate and TNT (trinitrotoluene). These explosives are used in mining, construction, and military applications.

3. Production of nitric acid: Ammonia is oxidized to produce nitric acid, which is a highly corrosive and important industrial chemical. Nitric acid is used in various applications, including the production of fertilizers, explosives, plastics, and dyes.

4. Refrigeration: Ammonia is used as a refrigerant in industrial and commercial refrigeration systems. It is a widely used refrigerant due to its high efficiency and low environmental impact compared to other refrigerants.

5. Water treatment: Ammonia is used in water treatment processes to remove impurities and disinfect water. It is particularly effective in removing chlorine and chloramines from water, which can improve the taste and quality of drinking water.