Ammonium Sulfate | 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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Nov 29, 2017
What is the best time to apply sulfur?
It depends on the crop in question as well as the form of sulfur used. While small grains need sulfur early in the season to promote tiller formation, in the case of canola sulfur is more critical at the time of...
Oct 20, 2017
Would you have any concerns about blending pelletized calcitic lime together with granular MAP and ammonium sulfate?
While the blended product should not have any issues during storage, it could face problems once applied to the soil, due to potential ammonia volatilization (from the ammonium-N in both MAP and ammonium sulfate), as...
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...
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