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In the current agricultural fertilizer market, mainstream products include urea, compound fertilizers, and phosphate fertilizers. Urea, with a high nitrogen content of about 46%, is widely used for its quick - acting nitrogen supply. However, it has a high volatility rate, often losing up to 30% of its nitrogen content due to volatilization. Compound fertilizers offer a combination of multiple nutrients, but their nutrient ratios may not be fully customized for specific soil and crop needs. Phosphate fertilizers mainly provide phosphorus, which can lead to soil acidification over long - term use.
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Ammonium sulfate granules contain about 21% nitrogen in the form of ammonium nitrogen and 24% sulfur. The ammonium nitrogen is stable in the soil and less likely to volatilize compared to urea. Its sulfur content is essential for the synthesis of amino acids and proteins in plants. Physically, ammonium sulfate granules have good water solubility, with a solubility of about 70 grams per 100 milliliters of water at 20°C, which ensures rapid nutrient release and absorption by plants.
| Fertilizer Type | Nitrogen Content | Sulfur Content | Volatility | Solubility |
|---|---|---|---|---|
| Ammonium Sulfate Granules | 21% | 24% | Low | 70g/100ml at 20°C |
| Urea | 46% | 0% | High (up to 30% loss) | 108g/100ml at 20°C |
| Common Compound Fertilizers | Varies | Varies | Varies | Varies |
From the comparison table, it is clear that ammonium sulfate granules have a unique combination of nitrogen and sulfur, low volatility, and good solubility, which are significant advantages in providing stable and comprehensive nutrient supply.
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In cereal crops such as wheat and rice, ammonium sulfate granules can increase tillering and improve grain plumpness. For example, in a wheat field experiment, the application of ammonium sulfate granules increased the yield by about 15% compared to using only urea. In acidic soils, ammonium sulfate can help maintain a proper soil pH balance due to its ammonium - nitrogen form. In alkaline soils, the sulfur in ammonium sulfate can react with soil components to reduce alkalinity.
For general agricultural use, the recommended application rate of ammonium sulfate granules is 20 - 30 kilograms per acre. It can be used as a base fertilizer or top - dressing. In a vegetable farm in [Location], by using ammonium sulfate granules as a top - dressing for tomatoes, the farmers observed a significant improvement in fruit quality and a 20% increase in yield. The tomatoes had better color, taste, and longer shelf - life.
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Ammonium sulfate granules offer a reliable solution for enhancing soil fertility and increasing crop yields. With their unique nutrient composition, physical properties, and multiple advantages over other fertilizers, they are an ideal choice for modern agriculture. Discover the benefits of ammonium sulfate granules for your agricultural operations and take your farming to the next level. Click here to learn more!
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