What is the recommended timing for using ammonium sulfate as a starter fertilizer on soybeans? | 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. Check out the questions asked below or ask your own question.

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What is the recommended timing for using ammonium sulfate as a starter fertilizer on soybeans?
The typical recommendation would be prior to planting. Nevertheless, if weather conditions prevent your from spreading it pre-planting, you may also apply it post-planting. Purdue university work has shown yield responses to 100 pounds per acre of ammonium sulfate applied as late as V4 growth stage.

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