| Potassium sulfate Description: The high yield of crops depends on the soil fertility. But what we should pay attention to is that not all the fertile soil is the high yield soil. It is shown in the scientific experiment that the use of potassium fertilizer can enhance crops abilities of antibiotic, improve quality of fruits and vegetables.
Potassium sulfate is a kind of fertilizer with high concentration. It has 50%K2O和18%S. It is ideal potassium fertilizer and sulfur fertilizer for nuisance free fruits, vegetable, ornamental plants and crops.
|
Item |
Value |
|
Best Quality |
Grade-A Product |
Qualified Product |
| K2O % ≥ |
50.0 |
45.0 |
33.0 |
| Cl- % ≤ |
1.5 |
2.5 |
-- |
| H2O % ≤ |
1.0 |
3.0 |
5.0 |
| Free acid (H2SO4) % ≤ |
0.50 |
3.0 |
-- |
| Alkalinity (NaOH) % ≤ |
-- |
-- |
1.0 |
|
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