Product: Ammonium Sulfate 21-0-0
Molecular formula: (NH4)2SO4
Description:
Ammonium Sulfate 21-0-0: What you need to know
Ammonium sulfate is a fertilizer containing 21% nitrogen and 24% sulfur. It is also known as ammonium sulfate 21-0-0 due to its nutritional content. The nitrogen in ammonium sulfate exists in the ammonium form, which is easily utilized by plants and can be used to synthesize amino acids and proteins. The sulfur in ammonium sulfate is also an essential nutrient for plant growth.
Ammonium Sulfate 21-0-0 is a popular fertilizer among farmers and gardeners because it is affordable and effective. Unlike other fertilizers that may contain high levels of phosphorus and potassium, ammonium sulfate is very low in these nutrients, making it ideal for use in acidic soils. The high sulfur content also makes it a good choice for crops that require sulfur, such as onions, garlic and cruciferous vegetables.
One of the benefits of using 21-0-0 ammonium sulfate is that it increases soil pH. This is because the ammonium ions in the fertilizer can be converted into nitrate ions in the soil, thereby increasing the pH of the soil. This is especially beneficial for crops that thrive in alkaline soil.
Another benefit of Ammonium Sulfate 21-0-0 is that it reduces soil erosion. The sulfur in fertilizers helps increase the soil’s aggregate stability, which can reduce the potential for soil erosion from wind and water. This helps keep the soil healthy and improves crop yields over time.
Although it has many benefits, there are also potential drawbacks to using ammonium sulfate 21-0-0. One of these is potential soil acidification. If too much ammonium sulfate is applied to the soil, the result may be an accumulation of hydrogen ions, which lowers the soil’s pH. This can be harmful to plants that require neutral or alkaline soil. Therefore, it is important to fertilize appropriately and test the soil regularly to ensure the pH remains within a healthy range.
Another potential disadvantage of Ammonium Sulfate 21-0-0 is its impact on the environment. When fertilizer is applied to soil, it releases nitrates and sulfates into groundwater and surface water. These nutrients can cause eutrophication, a process that can lead to the formation of harmful algal blooms in water bodies. Therefore, it is important to use fertilizers responsibly and follow best management practices to minimize their impact on the environment.
In summary, Ammonium Sulfate 21-0-0 is a versatile and effective fertilizer that can be used in a variety of agricultural and gardening environments. By understanding its benefits and potential drawbacks, farmers and gardeners can use fertilizer responsibly and ensure it contributes to crop health and the environment in the long term.
Specification
| Specification | Units | Superior product | First class | Qualified product |
| Nitrogen content | % ≥ | 21 | 21 | 20.5 |
| Sulfur(as S) | % ≥ | 23 | 21 | 23 |
| Moisture | %≤ | 0.2 | 0.3 | 1 |
| Free sulfuric acid (H2SO4) | %≤ | 0.03 | 0.05 | 0.2 |
| Fe | %≤ | 0.007 | – | – |
| As | %≤ | 000005 | – | – |
| Heavy metal | %≤ | 0.005 | – | – |
| Water-insoluble matters | %≤ | 0.01 | – | – |
Storage and transportation: Stored in dry and ventilated house with packages sealed away from moisture. Prevent the material from rain in case to be dissolved and lost during transportation.
Package: 25/50/1000/1250kg plastic woven bag or paper bag with PE inner bag. or according to the requirements of customers.
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