AdvanSix’s agronomy experts are available to answer your questions about how to get the most out of your ammonium sulfate investment. Mercedes Gearhart has overseen agronomic research at AdvanSix for more than 20 years, and has a wealth of knowledge about fertilizer use efficiency and improving crop yields. Check out the questions asked below or ask your own question.

Do all sulfur fertilizers come in sulfate form?


No. While many fertilizers come in an all-sulfate form, some fertilizers only come in the elemental sulfur form, and some are a combination of elemental sulfur and sulfate. Sulf-N® ammonium sulfate contains 24 units of sulfur – all in the sulfate form. Gypsum, also known as calcium sulfate, contains 17 units of sulfur in its sulfate form.

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