Potassium Sulfate Fertilizer
25 Dec.,2023
Ferticell's Potassium sulfate fertilizer is designed to promote healthy plant growth. Sulfate of potash is the primary player here. Call us to speak with an expert today.
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There is a lot that goes on prior to harvest, in many farms, uptake for important nutrients such as Potassium, Calcium, and even Phosphorus will only continue to increase. Pro K™ is highly efficient, certified for organic use, and an excellent tank-mix partner, especially when compared to sulfate of potash (SOP).
- Sulfate of Potash(SOP) has been our only option for organic Potassium
- Limiting factors include solubility for >5% spray solution unless using dry powder
- Sulfur = 18%, may limit rates where Sulfur adds to anaerobic soil conditions
- Soils >25-40 ppm may not be a candidate for K applications
- Always know the K amount in water source (20-40 ppm)
- Use care when using on high Mg soils or in mixes with Mg (Epsom Salts).
- The salt index is around 50 which is acceptable
- Can be unavailable for soil apps w/ Al like Eastern soils or any cool/damp conditions
- K is better managed as light and frequent applications as a sprayable
- Potassium easily leeches from sandy soils as a granular with rainfall
- Coated K materials have light release rates, hard to see plant corrections in plants and/or fruit
- Correctly measured soil K requirements should calculate: colloidal, extractable, and soluble K as the total
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