A small amount of nitrogen comes from atmospheric deposition, including some fixed by lightning. The rest comes from the soil, either from that left over from fertilizing the previous corn crop or ...

“We need to keep the 2x2 application, because the volume of fertilizer is really important to support and sustain corn growth,” she says. “We also need to be able to include sulfur in the ap ...

The end-of-season corn stalk nitrate test ... a high probability that the amount of fertilizer or manure N applied was greater than necessary to maximize profits for the producer. Nitrate leaching to ...