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Slow release nitrogen fertilizers are specially formulated products designed to provide a gradual supply of nitrogen to plants over an extended period. These fertilizers are typically made from a combination of organic and inorganic materials that control the release of nitrogen, ensuring that it is available to plants when they need it most. This slow release mechanism helps to minimize nutrient leaching and reduces the frequency of application needed by farmers and gardeners.
| Nitrogen content | Typically 20% to 40% |
| Release duration | 30 to 180 days |
| Form | Granular or coated pellets |
| Application rate | Varies by crop, generally 50 to 200 kg/ha |
| Solubility | Low to moderate solubility in water |
When selecting slow release nitrogen fertilizers, consider the nitrogen content and the release duration that best suits your crop's growth cycle. It is also important to specify the application rate based on your specific soil conditions and crop requirements. Additionally, inquire about any relevant certifications or environmental standards, especially if you are operating in regulated areas. Quantities may vary based on the size of your agricultural operation, so be prepared to discuss your needs with suppliers.
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They provide a steady supply of nitrogen, reduce leaching, and minimize the risk of nitrogen burn.
Typically, they can be applied once per growing season, depending on the product and crop needs.
Some slow release fertilizers are suitable for organic farming; check for organic certifications.
Crops such as corn, wheat, and vegetables often benefit from slow release nitrogen.
When used correctly, they can reduce nitrogen runoff and minimize environmental impact.
Store in a cool, dry place away from direct sunlight and moisture.