This standard specifies the requirements, test methods, inspection rules, labeling, packaging, transportation and storage of potassium sulfate for agricultural use. This standard applies to solid agricultural potassium sulfate produced by various processes.
GB 20406-2006 Referenced Document
GB 18382 Fertilizer marking—Presentation and declaration*, 2021-04-30 Update
GB 8569 Packing of solid chemical fertilizers*, 2009-11-30 Update
GB/T 1250 Rules for expression and judgement of limiting values