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.

How much rainfall is needed to move surface-applied sulfate into the root zone?


It is hard to tell, because it depends on several factors. Most notably, with the same amount of rainfall, the sulfate ion can move faster from surface to root zone through a sandy soils than through a heavier soils. On the other hand, the sulfate ion could also move down below the root zone of a sandy soil, for example, so rainfall could be too little or too much…

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