slow release sulphur coated urea with best price
ITEM | STANDARD | |||
I | II | III | IV | |
N% ≥ | 39 | 37 | 35 | 31 |
Inital release of a nutrient % ≤ | 40 | 27 | 15 | 10 |
Seven day dissolution rate(SDDR)% ≤ | 60 | 45 | 30 | 20 |
S %≥ | 8 | 10 | 15 | 20 |
Biuret % ≤ | 1.2 | |||
Mositure % ≤ | 1 | |||
Granular 1.00-4.00 mm % ≥ | 90 | |||
Appearance
| Granular, No Mechanical impurities | |||
COA as followed:
| Item | Standards | Test results |
| Nitrogen | 37%min | 37.1% |
| Sulfur | 10%min | 10.2% |
| Biuret | 1%max | 0.8% |
| Moisture | 1%max | 0.4% |
| Size | 1-4.75, 90%min | 98% |
| Color | yellow | yellow |
sulfur coated urea
The use of sulfur as the main parcel matel for granular urea, to achieve the slow release of nitrogen ,is a kinds of slow release of fertilizer. Also known as sulfur coated urea, sulfur coated urea, belong to the inorganic coated fertilizer.
1.sulfur coated urea in the urea coated with sulfur, microcrystalline wax sealant made of package type slow release fertilizer.
2. nutrient release sustained, stable and meet the nutritional needs of the crop, increase yield, and high quality.
3.The color is unique, the fertilizer is near neutral, and is suitable for all kinds of soil and crops.
4.The unique nutrient of sulfur can control the nutrient release rate.
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