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.

Is there any real difference between ammonium sulfate products?


Yes, there are chemical as well as physical differences. The former refers to the nature of impurities and their concentration. Physical differences include density, particle size and uniformity, which are key factors in making homogenous blends and uniform applications. In recent third-party testing of ammonium sulfate products from five different sources, Honeywell’s Sulf-N ammonium sulfate ranked right at the top.

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