We are the supplier of sulphate of potash (SOP) from Vietnam. Our solubles SOP is provides 50% potash and 18% sulfur with stable quality and competitive price.

Vietnam Sulphate of Potash (SOP) Benefits

Vietnam sulphate of potash (SOP), also called potassium sulfate or potassium sulphate is used in fertilizer, providing both potassium and sulfur.

Vietnam SOP is low chloride and has a low salt index, less than half that of muriate of potash (MOP). It  is suitable for applications into fertility systems primarily for grapevines, tree crops, and vegetables.

Competitive pricing and stable quantity

Providing a source of sulfur as well as potash

Excellent alternative to standard potash in crops, where chloride is a concern.

Vietnam Potassium Sulfate (SOP)

Guaranteed Analysis

Vietnam S.O.P fertilizer is available in powder and granular type. It provides 50% potash and 18% sulfur to crops.

Solubles SOP 0-0-50

Potassium as K2O: 50% Min

Sulfur (S): 18% Min

Chloride: 1.5% Max

Moisture: 0.5% Max

Appearance: White powder.

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Vietnam powder SOP-sulphate of potash fertilizer.

Granular SOP 0-0-50

Granular sulfate of potash fertilizer in Vietnam.

Potassium as K2O: 50% Min

Sulfur (S): 18% Min

Chloride: 1.5% Max; Moisture: 0.5% Max

Granular size 2-5mm: 90% Min

Appearance: White/ Brown Granular.

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How to Use Vietnam SOP Fertilizer?

Sulphate of Potash fertilizer 0-0-50 is used as a source of sulfur as well as potash for crops.

Crops Dosages
Fruit trees (durian, avocado, orange, mandarin, longan, lychee, grape, dragon fruit, Etc.) 0.5 – 1 kg/tree/year.
Onion, carrot, potato, etc. 120 kg/ha/crop.
Tobacco 400 kg/ha/crop
Coffee, pepper, cocoa 580 kg/ha/year
Rice (saline area) 100 kg/ha/crop
Rubber, cassava 200 kg/ha/crop
Sugarcane 420 kg/ha/crop


* Should combine with other inorganic and/ or organic fertilizers.

* Dosages can be adjusted accordingly to the nature of the land, season, weather, etc.

Production process of Vietnam SOP fertilizer.


Vietnam SOP 0-0-50 fertilizer made mainly from KCL and H2SO4.
Port of loading is Cat Lai, Ho Chi Minh City, Vietnam.
HS code of Vietnam SOP 0-0-50 fertilizer is 3104.30.00
Granular and powder SOP fertilizer in Vietnam packed in woven PP bag with inner PE bag. It is available in 20kg, 25kg, 50kg and 1000-1350kg bag.

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If you are looking for SOP fertilizer, organic fertilizer, DAP fertilizer, Urea fertilizer in Vietnam. Please feel free to let us know about your questions or purchase order.