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Channel: Greg Stewart – OMAFRA Field Crop News
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Corn Report: May 2, 2012

Corn planting is 20-90% complete depending on the area of the province; provincially planting is estimated at 65%. Some of the early (i.e. April 5-15) planted corn had emerged and the cold temperatures...

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Corn Report: May 9, 2012

Corn planting ranges from 50 to 95% complete; provincially corn planting is estimated at 80%.  In most areas rainfall has not been intense and soils remain in good shape despite large acreages without...

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Corn Report: May 16, 2012

Corn planting is 95 % complete across the province. Emergence is good to excellent in most areas with the majority of the corn in the 1-3 leaf stage. Weed control should be the priority as the crop...

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Corn Report – May 23, 2012

Corn planting is essentially complete across Ontario other then a small amount of replanting due to emergence/stand issues or where corn is following first cut alfalfa. Use the Replant Decision Aid...

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Ontario Corn Replant Decision Aid

If you are unhappy with your stand of corn and think you may wish to replant, download the Ontario Corn Replant Calculator to assist you in this important decision. Many thanks to Dr. Dave Hooker and...

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Corn Report – May 30, 2012

Corn development has been rapid this past week.  Some areas were close to accumulating 200 CHU in 7 days!  Good soil conditions and early planting are paying off as the corn continues to move ahead...

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2012 Grain Corn Ear Mould and Vomitoxin Survey

Co-Author: Albert Tenuta, OMAFRA Field Crop Pathologist The annual corn ear mould and vomitoxin survey by the OMAFRA Field Crops team indicates that the 2012 Ontario corn crop is distinctly low in ear...

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Ontario Hybrid Corn Trials 2012

With yield data and production information from across the province, the 2012 hybrid corn performance trials are a valuable tool for farmers when selecting seed for the upcoming season. Produced by the...

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The Impact of Row Unit Down Pressure Control on Corn Growth and Yield

Purpose: Aftermarket planter modifications to control row unit down pressure have been well promoted into the Ontario marketplace, and are advertised for their ability to improve planter function, and...

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Frost Injury in Corn at the spike stage

I took this video in 2010 when a lot of corn was planted in mid April and had emerged nicely only to be hit with a frost in May. Although the injury looked bad at the time, because the growing point...

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Nitrogen Status in 2013 Corn Fields

Co-Authored by Ian McDonald Background: In 2013 a range of corn fields were sampled to determine what impact the weather has had on the level of residual soil nitrate.  This year April was cool and...

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Corn and Cold September Nights

Cold September nights can cause widespread anxiety in corn producers.  The level of anxiety for most growers will be determined by the stage of maturity their grain corn crop has reached. As...

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2013 Grain Corn Ear Mould and Vomitoxin Survey

Co-Authored by: Albert Tenuta, OMAF & MRA Field Crop Pathologist The OMAF and MRA Field Crops team has recently completed a survey of the 2013 Ontario corn crop to determine ear mould incidence as...

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Investigating Yield and Economic Performance of a “Build and Maintain”...

Current P and K recommendations in Ontario guide crop producers to apply a rate of fertilizer that will provide the greatest potential of an economic response during the year of application. Increases...

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Verifying a Pre-Sidedress Soil Nitrate Threshold Test for Evaluating Nitrogen...

Purpose: Pre-sidedress soil nitrate test (PSNT) provide a means of estimating soil nitrogen supply, and can aid producers in fine-tuning their nitrogen application rates for corn. One drawback of...

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Corn Report: Week of April 16th, 2012

Depending on the area, 5-30% of the corn crop has been planted.  Soil conditions have been very good. Cool temperatures (especially at night) in the last week have slowed the emergence process. If...

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Corn Report: Week of April 23rd, 2012

Depending on the area, 10 to 60% of the corn crop has been planted. Provincially corn planting is estimated at 35%. Soil conditions remain dry and friable in most areas; the lack of soil moisture is an...

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