Specialty Agriculture
GSL's sulfate of potash is available in particle sizes ranging from Soluble Fines to Ag Granular. Custom sizes are also available. Here are the SOP products for agriculture and horticulture.
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Name/Grade
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Appearance
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Applications
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Soluble Fines SOP Organic
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Fine screened for rapid dissolution in making liquid fertilizer solutions and suspensions. Typical SGN 14/UI 25.
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Standard Fines SOP
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Used for N-P-K ammoniation, N-P-K granulation, and direct field application. Used to prepare solutions that will be decanted or filtered. Typical SGN 28/UI 12.
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Standard Fines SOP Organic
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Used for N-P-K granulation, and direct field application. Used to prepare solutions that will either be decanted or filtered. Typical SGN 28/UI 12.
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Choice Granular SOP
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Suitable for blends typically used in horticulture. Also well suited for direct application fertilization, especially slow release. Typical SGN 146/UI 66.
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Choice Granular SOP Organic
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Suitable for blends typically used in horticulture. Also well suited for direct application fertilization, especially slow release. Typical SGN 146/UI 66.
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Mid Granular SOP
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Sized for use in horticulture. Typical SGN 218/UI 58.
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Mid Granular SOP Organic
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Sized for use in horticulture. Typical SGN 218/UI 58.
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Ag Granular SOP
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Sized to blend well with most other agricultural grade nutrient sources and performs well in broadcast spreaders. Typical SGN 350/UI 46.
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Ag Granular SOP Organic
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Sized to blend well with most other agricultural grade nutrient sources and performs well in broadcast spreaders. Typical SGN 350/UI 46.
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