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.

Does ammonium sulfate added to a herbicide mix improve weed control?


Ammonium sulfate (also known as AMS within the adjuvant world) can be quite useful in situations of chemical antagonism, such as when using hard water or when mixing herbicides that are antagonistic among themselves. Ammonium sulfate adjuvant can also be useful under stressful growing conditions, such as cold or droughty weather. For these reasons, several herbicides recommend ammonium sulfate adjuvant use within the label. Always refer to the corresponding herbicide label for specific rate recommendations.

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