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Ferrous Sulphate, also known as iron(II) sulfate, is a chemical compound that serves as a micronutrient in agriculture. It is typically produced through the oxidation of iron and is available in both hydrated and anhydrous forms. This compound is essential for plant growth, particularly for crops that require iron to prevent chlorosis, a condition that leads to yellowing of leaves due to iron deficiency.
| Chemical formula | FeSO4 |
| Molecular weight | 151.91 g/mol |
| Appearance | Greenish-blue crystalline solid |
| Solubility | Soluble in water |
| Typical purity | 95% to 99% |
When selecting ferrous sulphate, consider the specific crop requirements and soil conditions. It is important to specify the desired purity level and whether you need the hydrated or anhydrous form. Additionally, inquire about packaging sizes and quantities based on your application needs. Certifications related to agricultural use may also be relevant, depending on your region.
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It is primarily used as a micronutrient fertilizer to correct iron deficiencies in plants.
It can be applied directly to the soil or as a foliar spray, depending on the specific crop needs.
While it is generally safe, it is advisable to check the specific requirements for each crop.
Common signs include yellowing of leaves, particularly in younger foliage, and stunted growth.
It is not typically classified as organic, but its use may be permitted under certain organic standards.
When stored properly, it can last several years, but check for specific manufacturer recommendations.