It adopts slow-release granular structure, which can slowly dissolve in organic acids in soil to achieve long-term release of zinc elements, avoiding waste caused by rapid loss of common zinc fertilizers. Its neutral pH value will not change soil pH, making it suitable for most soil types. Its high zinc content can efficiently supplement the zinc nutrition required by crops. It is an environmentally friendly formula without harmful residues, complying with green agricultural production standards. It can be directly spread or mixed with other fertilizers for easy operation.
The product has a zinc content of 55.0% minimum, particle size D50 of 50-100 μm, moisture content not exceeding 0.5%, lead content ≤100 ppm, arsenic content ≤10 ppm, cadmium content ≤5 ppm, pH value of 7.2-7.8, and a slow release period of about 4 months. It appears as white granular powder, packaged in 25kg coated pallets, stored in a dry and ventilated environment, and has a shelf life of 2 years.
It is used to supplement zinc for field crops such as wheat, corn and rice to prevent small leaf disease caused by zinc deficiency; used as a foliar fertilizer or soil base fertilizer for fruit trees such as apples and citrus to improve fruit quality and sweetness; used as a fertilizer additive for vegetables, flowers and other cash crops to promote crop growth and flowering, complying with the quality requirements of green agricultural production.
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