Nitrogen Management

Agronomic Solutions’ approach to nitrogen management is utilizing actual, recent data versus deriving decisions based from modeling programs. Here are the two nitrogen related services that we provide.

Smart-N Program: Utilizing the Late Spring Soil Nitrate Test

12 inch soil sample taken right ahead of side-dressing
Done on a grid basis (typically 4.4 or 10)
Recommend both the nitrate ppm AND ammonium test at the lab to see what has or has not converted yet
Cores are collected methodically on every sample to obtain consistency-across the rows, covering several rows across the field
Sampled about 5 days before expected side-dress application to minimize rain events between sampling and application time
Variable rate nitrogen recommendation can be made from data

End of Season Stalk Nitrate Test

Based on the content of an 8 inch section of stalk cut from 6-14” above the soil surface
Samples are collected after corn is blacklayer
Test results indicate how much nitrogen was available to the plant
This is the report card of nitrogen management for that season, so adjustments may be made for the following year

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