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

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 (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.


RealAgriculture Agronomy Team

A team effort of RealAgriculture videographers and editorial staff to make sure that you have the latest in agronomy information for your farm.


Wheat prices jump into August — This week in the grain markets

This week, winter wheat prices touched a three-year high, but it didn’t last. Chicago SRW wheat prices for September 2018 gained 5 per cent or about 26 cents US/bushel to close at $5.56. While the December 2018 contract was up 5.4 percent — or nearly 30 cents — to finish a tad under $5.80. In…Read more »


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