Getting Started with Variable Rate Nitrogen

May 21, 2013 • Written by Nicole Rabe
Topographic Zones Red is high (1020-1050ft), orange are side slopes, Green is low (970-980 ft)
When you don't have the luxury of starting with multiple years of corn yield data how does one get started with a variable rate nitrogen strategy? Initial assessment of the field needs to question how variable the field actually is, and more to the point - what is driving the variability acro... Continue reading →
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Posted in Corn, Precision Agriculture, Soil Fertility | Tagged , , , , , , | Leave a comment

Forage Report – May 15, 2013

May 15, 2013 • Written by Joel Bagg
Alfalfa and grass are growing well and will respond quickly to moisture and heat. The May 14th frost did very little damage to established alfalfa and new seedings. (“Frost Damaged Alfalfa” http://fieldcropnews.com/?p=6812) Grass stands have responded very well to early applied nitrogen with sig... Continue reading →
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Apply Nitrogen To Grass Stands To Increase Yields

May 15, 2013 • Written by Joel Bagg
Applying nitrogen (N) to productive grass hay fields can substantially increase yields. With tight forage inventories and high hay and land prices, spreading nitrogen on grass hay fields is a simple and cost effective strategy to increase much needed forage supplies. It is usually more economical in... Continue reading →
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Winchester Ag Breakfast Meeting, May 14th, 2013

May 15, 2013 • Written by OMAF Field Crop Team
Winchester Ag Breakfast Meeting, May 14th, 2013
From May 1st to 12th, accumulations of 15 to 30 mm of rain and 220 Crop Heat Units (CHU) were recorded. The long term average for this same period is about 130 CHU. There was frost on May 14th across eastern Ontario with a low of -2o to -3o C. Little damage expected as the corn growing point was sti... Continue reading →
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Posted in Cereals, Corn, Forage Production, In-Season Crop Reports, Pest Management, Soybeans | Tagged , , , , , | Leave a comment

Exeter Agbiz Breakfast Minutes, May 14th, 2013

May 14, 2013 • Written by OMAF Field Crop Team
Synopsis: Corn planting is 85% complete, with 10% of soys planted. Wheat has progressed rapidly, with earliest wheat pushing the flag leaf stage: soon beyond herbicide applications. A great deal of sulphur deficiency is showing in wheat.  Fortunately frost was a near miss with little damage.  Glyp... Continue reading →
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Ready, Set, Variable Rate Population Here We Go!

May 14, 2013 • Written by Nicole Rabe
Ready, Set, Variable Rate Population Here We Go!
May 7, 2013 ~ Variable Rate Corn Population: Yesterday was a sunny and successful variable rate planting day at Blythe Brae Farms in Oxford County. Greg Stewart and I created a normalized multi-year corn yield map (6 corn years in total) and then simplified the normalized yield map into 3 zo... Continue reading →
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Spring Frost Damaged Alfalfa

May 14, 2013 • Written by Joel Bagg
Spring Frost Damaged Alfalfa
Alfalfa frost damage can sometimes occur in the spring after growth has started, resulting in damaged growing points. Some wilting can be visible about 24 hours after frost or some yellowish or brownish discolouration 3 or 4 days later. The top of the stems will typically bend over with a “shepher... Continue reading →
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Ridgetown Ag Breakfast Meeting May 7, 2013

May 13, 2013 • Written by OMAF Field Crop Team
Synopsis:  Tremendous activity on the lighter textured soils (south of Hwy 401) with 80% corn planted on lighter soils. Planting on clay soils is just starting.  Just a few soybeans planted but many growers gearing up if weather allows. Manganese and sulphur deficiencies are evident in the wheat c... Continue reading →
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Frost Injury in Corn at the spike stage

May 11, 2013 • Written by Greg Stewart
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 was below the ground the crop made a complete recovery and 2010 saw record high provincial corn yield... Continue reading →
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Quiz Series: Quiz 3 Field Border Weeds

May 10, 2013 • Written by Michelle Arseneault
Screen Shot 2013-05-10 at 9.09.39 AM
The following photos were taken this week to display common weeds (some familiar, a few are tricky).  The quiz shows distinguishing plant features to help you identify weeds in the field.  Test your knowledge, and learn from the tips and hints after you submit your answers. ... Continue reading →
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Simcoe Ag Breakfast Meeting Notes – May 8, 2013

May 9, 2013 • Written by OMAF Field Crop Team
Simcoe Ag Breakfast Meeting Notes - May 8, 2013
Synopsis:  Amazing how so much fieldwork can be accomplished in 1 week of ideal weather. Light textured soils are 90+ % planted for corn, while heavy textured clays of Haldimand and Wentworth are just getting started with about 10% planted; Niagara (Wainfleet area) about 30%.  On the Haldi... Continue reading →
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PALMERSTON CROP CONSULTANTS MEETING MINUTES – MAY 7TH

May 8, 2013 • Written by Brian Hall
Synopsis: Most nitrogen has now been applied to wheat. Many abandoned plans for split application.  Corn planting ranges from 10% - 50% complete.  Availability of rental fertilizer spreaders, custom application and accessing of UAN are creating bottlenecks.  Growers are beginning to use packers... Continue reading →
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Forage Report – May 8, 2013

May 8, 2013 • Written by Joel Bagg
Alfalfa winterkill is particularly severe in the Ottawa Valley and New Liskeard areas. There are many options to consider for emergency forage, depending on the calendar date, urgency for short term feed, and forage yield and nutrient quality requirements. Refer to “Forage Options When Alfalfa Win... Continue reading →
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Forage Options When Alfalfa Winterkill Strikes

May 6, 2013 • Written by Joel Bagg
Forage Options When Alfalfa Winterkill Strikes
It is always difficult to know what to do when winterkill completely takes out your alfalfa stands or leaves them patchy and unhealthy. There are many options to be considered, depending on the calendar date, timing, urgency for feed, and forage yield and nutrient quality requirements.  Forage ... Continue reading →
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Cool, Wet April Means Good for Pests, Bad for their Enemies

May 3, 2013 • Written by Tracey Baute
It is rare to experience back to back armyworm outbreak years.  This is usually because the natural enemies (particularly parasites and entomopathogens) build up in an outbreak year and are in good supply the following year to keep up with the armyworm.  However, armyworm outbreaks do tend to occu... Continue reading →
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