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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.
How high can I go with an ammonium sulfate starter fertilization on corn in order to avoid fertilizer burn?
Salt toxicity, or fertilizer burn, is affected by moisture, temperature, soil type and fertilizer placement. In order to avoid salt injury, a rule of thumb to follow is to stay within the following maximum amounts of nitrogen plus potash (N + K2O), depending on placement and soil texture:
|
Soil Type |
Sum of Nitrogen Plus Potash (pounds/acre) |
|
|
2” x 2” Band |
In-Furrow |
|
|
Coarse |
60 |
10 |
|
Heavy |
100 |
10 |