Corn School: Spring Fertility Options for Corn — New Testing, Old Formulations & A Calculator

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good looking early cornDo you plan on taking a nitrate-nitrogen soil samples this spring, before planting? The test for nitrate-nitrogen levels can provide key information in how much fertilizer should be applied for a growing corn crop.

And, making that decision gets easier and easier. The Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) has a handy table with nitrogen recommendations based on test results (be sure to adjust for prices), and growers can find a yield response nitrogen calculator on gocorn.net (download as .xls).

Related: Corn School: Split Applying Nitrogen for Maximum Benefit

In this episode of the Corn School, filmed at the SouthWest Agriculture Conference (SWAC), Greg Stewart, corn specialist with OMAFRA, talks to Bernard Tobin about corn fertility, touching on everything from the benefits of dry phosphorous and potassium to soil nitrate tests and fine-tuning nitrogen.

Check out more of our coverage of SWAC ’15.

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Corn School (view all)Season 4 (2015) Episode 31
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