Half ＆ Mu Fang 98% + Chitosan Oligosaccharides (Agricultural Grade) COS Fully Water-Soluble Plant Horticultural and Fruit and Vegetable Fertilizer(50g/1.76oz)

- Appearance: Yellow Powder ; CAS NO.: 148411-57-8; Chemical Formula: (C6H11NO4)n - Main Source: Refined from high-quality shrimp & crab shells; Content: ≥ 98% - Agricultural-Grade chitosan oligosaccharides can enhance the absorption and utilization rate of nutrients and fertilizer components by plants. It can also promote the formation and growth of plant callus - Deacetylation (DAC degree): ≥85％；pH：5-7;low molecular weight, good water solubility - Widely used for various crops, vegetables, fruit trees, houseplants, lawns, and herbs as foliar spray, soil application, or drip irrigation fertilizer.