Ohio Corn: Update of Nitrogen Recommendations

    Nitrogen application in young corn. Photo: University of Nebraska-Lincoln

    This article provides an updated Maximum Return to Nitrogen Rate recommendation table for corn planted after soybean. Table 1 and 2 were previously published in the 2021 CORN newsletter here. There are a couple of changes to note with these revised tables.

    First, due to continued concerns about nitrogen source availability, urea was added to the source list for Table 1 to provide per unit N prices. In addition, Table 2 nitrogen rate quick lookup table is updated to reflect new data in the Corn Nitrogen Rate Calculator tool.

    The database for soybean-corn and corn-corn rotations now includes trials through 2021.

    Table 1. Price per Ton of Anhydrous and 28% UAN at Various Price per Pound of Nitrogen Fertilizer Costs (Updated 5/23/2022).

    Price of Nitrogen Fertilizer ($/lb)

    N Source

    $0.65

    $0.75

    $0.85

    $0.95

    $1.05

    $1.15

    82-0-0

    $1066

    $1230

    $1394

    $1558

    $1722

    $1886

    28-0-0

    $364

    $420

    $476

    $532

    $588

    $644

    45-0-0

    $585

    $675

    $765

    $855

    $945

    $1035

    Table 2. Ohio MRTN recommended Nitrogen Rates (lbs nitrogen/acre) for Corn following Soybean based on the Price of Corn Grain and Nitrogen Fertilizer (Updated 5/23/2022).

    Price of Nitrogen Fertilizer ($/lb)

    Price/Bushel Corn

    $0.65

    $0.75

    $0.85

    $0.95

    $1.05

    $1.15

    $5.50

    173

    165

    158

    151

    145

    139

    $6.00

    178

    170

    163

    156

    150

    144

    $6.50

    182

    175

    168

    161

    155

    149

    $7.00

    185

    178

    172

    165

    159

    154

    $7.50

    189

    182

    176

    169

    163

    158

    If you have corn planted after corn or specific price scenarios for your farm, we encourage you to visit Corn Nitrogen Rate Calculator (CNRC) web tool. You can find CRNC here. If you need a brief introduction to CNRC, see here.




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