Pre-Sidedress Late Spring Nitrate Test

Nitrogen fertilization

Nitrogen fertilization is essential for profitable corn production. It’s also is a significant cost of production. In addition, it can contribute to the degradation of the environment. Producers who do not sidedress can use this test in fields that are already fertilized. The objective is to obtain feedback on their nitrogen management. Producers who normally sidedress can use the soil test to adjust nitrogen rates. You would do this for all factors affecting soil nitrate concentrations in late spring.