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Loading ...Frost Injury in Corn at the spike stage
(+3 rating, 3 votes) Loading ...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 final yields. The basic principles behind the modifications have merit, but the relative yield imp... Continue reading
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Ontario Hybrid Corn Trials 2012
(+2 rating, 2 votes) Loading ...2012 Grain Corn Ear Mould and Vomitoxin Survey
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Posted in Alerts, Corn, Pest Management
Tagged DON, ear mould, gibberella, mycotoxins, vomitoxin
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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 despite relatively dry conditions. Some replanting has occurred where low population and uneven st... Continue reading
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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 Ken Janovicek (Plant Agriculture Department, University of Guelph) for their efforts in putting this... Continue reading
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Was this post helpful? Loading ...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 posted at www.gocorn.net if considering this where stands are thin. Start with accurate plant counts... Continue reading
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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 approaches the critical 3-4 leaf stage. Cutworm injury has been reported in some areas south of London... Continue reading
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Was this post helpful? Loading ...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 significant residue cover. Corn requires about 180 CHU to emerge. Corn planted April 16-20 is ... Continue reading
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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 of April 27, 28 & 29 froze the above ground tissue. However, to date, growing point and seed i... Continue reading
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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 increasing concern and has forced deeper planting especially on light textured soils. Cold tempera... Continue reading
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Was this post helpful? Loading ...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 drying trends continue growers are advised to be cautious with secondary tillage that is too aggressiv... Continue reading
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Starter Fertilizer Considerations in Corn
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Posted in Presentations and Video, Soil Fertility
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Nitrogen Management in Corn – Lessons learned from 2011
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Posted in Presentations and Video, Soil Fertility
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Crop Residue Value
There is lots of talk these days about crop residue removal for bioenergy purposes. We have gone through the first wave of trying to make it very clear to those less familiar with agriculture that this crop residue has real value.
Crop Residue Value Components
Crop residue value hinges on a few co... Continue reading
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Posted in Soil Fertility, Soil Management
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Greg Stewart
Areas of Focus• Corn hybrid performance database and selection techniques
• Tillage systems for corn to reduce soil erosion potential and improve fertilizer use efficiency
• Nitrogen utilization in corn
