Zibo Dingqi Chemicals Co., Ltd. is one of the most experienced manufacturers and suppliers of non-ferric aluminum sulfate in China. Welcome to wholesale high quality non-ferric aluminum sulfate made in China here from our factory. For price consultation, contact us.
Quality Requirements
- Purity: The aluminum sulfate content should be above 90%, with impurities controlled at low levels.
- Solubility: It should be easily soluble in water for convenient application and soil absorption.
- Particle Size: Particles should be fine and uniform to ensure even distribution and rapid reaction.
- Heavy Metal Content: Heavy metals such as lead, cadmium, and mercury must comply with relevant standards to avoid soil contamination.
- pH Value: The aluminum sulfate solution should be acidic, typically within the range of 2.5–4.5.
Main Functions
- Adjusting Soil pH: Aluminum sulfate hydrolyzes to produce acidic substances, which can lower the pH of alkaline soils, making them suitable for acid-loving plants.
- Improving Soil Structure: It promotes the formation of soil aggregates, enhancing aeration and water retention.
- Providing Nutrients: Aluminum sulfate contains aluminum and sulfur. Aluminum can promote the growth of certain plants, while sulfur is an essential nutrient for plant growth.
- Fixing Phosphorus: Under acidic conditions, aluminum sulfate reacts with phosphates, reducing phosphorus loss and improving its availability.
- Suppressing Pathogens: The acidic environment can inhibit certain pathogens, reducing the incidence of diseases.
Precautions
- Appropriate Application: Excessive use may lead to overly acidic soil, negatively affecting plant growth.
- Uniform Application: Ensure even distribution of aluminum sulfate to avoid localized over-acidity or alkalinity.
- Combination with Other Amendments: Depending on soil conditions, it can be used in combination with other amendments to achieve optimal results.
In summary, as a soil amendment, aluminum sulfate must meet quality requirements such as purity, solubility, particle size, heavy metal content, and pH value. Its primary functions include adjusting soil pH, improving soil structure, providing nutrients, fixing phosphorus, and suppressing pathogens. Proper application involves using the right amount, ensuring even distribution, and considering its use alongside other amendments.
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