Dr. Dan Talks Agronomy
Dan Davidson DTN Contributing Agronomist
Mon Mar 2, 2015 11:45 AM CST

We like to give a crop a fast start, but it is possible for starter or pop-up fertilizer placed directly in the furrow to damage corn seedlings. Too much fertilizer volume, too high of salt index or dry soil conditions can lead to in-furrow fertilizer damage, especially in lighter-textured or sandy soil or soil low in organic matter content.

Placing starter fertilizer directly on the seed or immediately below the seed is when germination or emergence problems due to salt damage typically occur. Fertilizers containing nitrogen, potash or sulfate act as salts in the soil. Phosphate is not a salt ...

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