Ask The Agronomist | AdvanSix Ammonium Sulfate

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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.

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Sep 18, 2017
What is a safe rate of ammonium sulfate applied with the drill on wheat?
It will depend mainly on soil texture and whether it is applied straight or in a blend. A 50 pound per acre rate of straight ammonium sulfate would be safe to apply next to the seed across soils, yet you could double...
Aug 21, 2017
Can a small amount of nitrogen applied with the drill make sense for wheat?
It can certainly make sense, particularly under no-till conditions. Just stay away from urea-containing fertilizers which, due to potential ammonia toxicity, are not recommended for applications in direct contact with...
Jul 24, 2017
What's the leaf burn potential from streaming 10 to 20 pounds per acre of ammonium sulfate solution onto wheat straw with young soybeans growing?
Ten to 20 gallons of ammonium sulfate solution per acre would equate to 8 to 16 lb N/acre. Assuming that the fertilizer solution covers 20% of the row width, then the ammonium sulfate rate per wetted row would be...
Jun 7, 2017
With the wet weather, I'm seeing a lot of slug damage in my region. Can ammonium sulfate help with slug control?
I'm not aware of any formal ammonium sulfate recommendation for slug control, although I have seen it listed as a home remedy option. The idea here would be to burn slugs upon contact, rather than a residual...
May 26, 2017
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...
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