Fertigation

Tractor in field
Anticipated high residual soil nitrate-N levels in Nebraska rainfed crops of dry 2020 may allow reduced N rates for 2021.

Q&As on Nitrogen Investment in Corn This Year

March 31, 2021
Most of Nebraska was drier than normal in 2020, which means a potential increase of residual nitrate-N. As such, producers may need to reduce fertilizer-N rates for 2021 — but how much is enough?

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nitrogen fertilizer being applied to corn
Photo by Richard Ferguson

Tips for In-season Nitrogen Management in Corn

April 29, 2020
This spring conditions are good for pre-plant fertilizer, but there are still considerations that justify shifting more nitrogen application to in-season versus pre-plant.

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Corn at pollination

Q&A: Will Fertigation Now Endanger Corn Pollination?

July 12, 2018
After heavy rains in some areas created increased potential for nitrogen leaching, one farmer asks whether fertigating now will endanger pollination.

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Chart of N research treatments

Feasibility of Sensor-Based Nitrogen Fertigation Management in Corn

January 8, 2018
An article from the Proceedings of the 2018 Nebraska Extension Crop Production Clinics on university research testing sensor-based N fertigation treatments.

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