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.

What might be some good reasons to consider ammonium sulfate for Pakistani agriculture?


While I have never been to Pakistan, three main reasons come to mind based on what I have read about its soils:

  • They tend to be low in sulfur. Ammonium sulfate is a cost-efficient way to supply this nutrient
  • They tend to be calcareous. Ammonium sulfate helps solubilize phosphorus and micronutrients tied up with calcium
  • They tend to be saline. Ammonium sulfate is a preferred source over urea on these soils

Ammonium sulfate, used within a fertilization program aiming to balance plant nutrition, seems like a good program to test against the current fertilizer practices in Pakistan.

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