3d image of potassium sulfate skeletal formula

potassium sulfate sulphate k2so4 sulphate potash fertilizer chlorine-free salts magnesium potatoes buckwheat legumes fruits berries soils cabbage kainite turnip mineral top dressing chlorophobic crops potatoes tomatoes tobacco langbeinite inorganic substance aphthitalite polyhalite compound component agent potash sulfur stassfurt salt arcanite synthesis sop production plant molecule molecular formula skeletal structural structure leonite schonite 3d