1. Representative products:
• Trace elements: Zinc nitrate (hexahydrate), Copper nitrate (trihydrate), Manganese nitrate (50% solution)
• Major/massive elements category: Calcium nitrate (tetrahydrate), Magnesium nitrate (hexahydrate), Potassium nitrate
2. Subcategory:
• Trace elements: Supplement zinc, copper, and manganese required for crop growth, tailored to the flowering and fruit expansion stages of fruits (citrus, apples) and cash crops (vegetables, flowers).
• Macronutrient class: Enhances crop stress resistance (drought and cold tolerance) and improves fruit quality (sweetness and color).
3. Core features:
• Quality standards: Agricultural products shall comply with industrial-grade quality standards, with water solubility ≥99.5% and no residue to prevent clogging of drip irrigation equipment.
• Formula compatibility: Element content can be adjusted according to the formulation of water-soluble fertilizer plants (e.g., zinc nitrate content can be customized within the range of 20%-30%), supporting compound formulation requirements.
• Impurity control: Heavy metal content ≤5 ppm, meeting the requirements of green agricultural production
4. Target customers: Large-scale water-soluble fertilizer manufacturers, regional specialty fertilizer plants, and high-end agricultural cooperatives


