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Copper sulphate, also known as cupric sulfate, is a blue crystalline solid that is widely used as a micronutrient in agriculture. It is primarily composed of copper, sulfur, and oxygen, and it plays a crucial role in plant growth and development by aiding in the formation of chlorophyll and promoting photosynthesis. Copper sulphate is typically applied to soil or foliar sprays to correct copper deficiencies in crops.
| Chemical formula | CuSO4 |
| Appearance | Blue crystalline powder or granules |
| Solubility | Soluble in water |
| Copper content | Approximately 25% to 30% |
| Packaging | Typically available in 25 kg or 50 kg bags |
When selecting copper sulphate, buyers should consider the intended application, such as whether it will be used for soil application or foliar feeding. It is important to specify the desired copper content and purity levels, as well as any specific packaging requirements. Buyers should also inquire about certifications and compliance with agricultural standards to ensure product quality.
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Copper sulphate is beneficial for a variety of crops, including fruits, vegetables, and grains that require copper for optimal growth.
It can be applied directly to the soil, mixed with water for foliar sprays, or incorporated into fertilizers.
When used according to recommended guidelines, copper sulphate is generally considered safe, but excessive use can lead to soil and water contamination.
Copper sulphate is permitted in some organic farming practices, but it is essential to check specific organic certification standards.
Copper sulphate typically has a long shelf life when stored in a cool, dry place, away from moisture.
Soil testing can determine copper levels, and symptoms of deficiency include stunted growth and poor fruit development.