Green Vision Technical Services

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Potassium Sulfate is a very important product. It's used to supply potassium. Conventional agriculture, for the most part, supplies potassium with a muriate of potash or what's called 0-0-50. We don't handle that because it has chlorides. It's potassium chloride which is very detrimental to soil biology. 

But potassium sulfate provides not only 50 units of potassium, it also has 17 units of sulfur, so when you add that up, you've actually got a lot more fertilizer for what you're paying for. It has a lot more energy than the potassium chloride and what we find is that 100 lbs. of potassium sulfate will be sufficient to provide the potassium for a whole year when the potassium's quite low.