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Sweet potato preservative

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Product Features
The antibacterial protective film for preserving freshness specially developed for sweet potatoes: Forms a protective film on the surface of the potato pieces, blocking fungi/bacteria, preventing black spot disease and soft rot disease; at the same time, it retains moisture and keeps the skin hydrated, reducing water loss and chaffing, maintaining a fresh taste, and also inhibiting sprouting and preventing frost damage.
Ingredient List
Nitrogen ≥50 grams per liter
Phosphorus ≥210 grams per liter
Potassium ≥240 grams per liter
Calcium ≥0.5grams per liter
Magnesium ≥0.2 grams per liter 
Boron ≥1.3 grams per liter
Zinc ≥1.2 grams per liter
lron ≥1.4 grams per liter
Sulfur ≥1.2 grams per liter
Manganese ≥0.2 grams per liter
Copper ≥0.3 grams per liter
Molybdenum ≥0.7 grams per liter
Titanium ≥0.01 grams per liter
Density l.4
pH 7.5-8.5
Water-insoluble substances ≤0.5%