This article was originally posted on Field Crop News. Written by Mike Cowbrough. With three consecutive days of morning frost in many parts of the province, the two most common questions are 1) Will the corn be alright? and 2) When can I start to apply herbicides? Question 1 is answered nicely by Greg Stewart in this story (the abbreviated version is that things will be fine but if you are nervous person like me its best to go away for a week before you look at the field again). But when is it alright to go in and make herbicide applications in corn after a frost event? My personal view is that it’s best to see some new growth on the…
All posts in Forage
Forage Report – May 23, 2013
This article was originally posted on Field Crop News Written by Joel Bagg. First-cut forage yield expectations are quite variable, with some drier areas and winter damaged, older, and fall harvested stands showing reduced yield potential. There is some concern about rebuilding forage inventories to adequate levels. Many new seedings were planted with cereal and cereal-pea mixtures to supply summer forage. (Forage Production From Spring Cereals and Cereal-Pea Mixtures ) Demand for sorghum and sorghum-sudan seed is up. (Forage Sorghum-Sudan Grass) Many are planning to follow winter wheat harvest with summer seeded annuals. Harvest of dairy haylage is likely to be in full swing by the week of May 27th in southern Ontario. Dairy producers generally target harvesting first-cut alfalfa…
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Spring Frost Damaged Alfalfa
This article was originally posted on Field Crop News Written by Joel Bagg. 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 “shepherd’s hook”. Damage is often minimal and plants will grow out of it, but some yield loss and development delay can result. Thin alfalfa stands are more susceptible to frost damage. “Light Frost” Damage The extent of frost damage to the alfalfa will depend on the severity of the freezing. Temperatures in the plant canopy level are usually…
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Forage Report – May 8, 2013
This article was originally posted on Field Crop News 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 Winterkill Strikes” when forage supplies are extremely tight, and forage acreage needs to be increased to rebuild inventories. If winterkill is identified early, usually the best option is to replace the winterkilled stand by seeding a new forage stand in a new field in the crop rotation. Corn can follow the winterkilled alfalfa to take advantage of the 110 lb/ac N credit and the…
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Forage Options When Alfalfa Winterkill Strikes
This article was originally posted on Field Crop News Written by Joel Bagg. 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 supplies are extremely tight following the agronomic issues of 2012. There were many risk factors for alfalfa winterkill and poor, thin stands this spring. Winterkill has been reported across the province in some of the higher risk older and fall harvested stands. Extensive winterkill has occurred in eastern Ontario, from Arnprior south, east to Quebec and west to Brockville. There…
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Forage Report – May 1, 2013
This article was originally posted on Field Crop News. Written by Joel Bagg. Scattered reports are coming in from across the province of alfalfa winterkill in some of the higher risk older stands and fall harvested stands. Extensive winterkill has occurred in eastern Ontario, from Arnprior south, east to Quebec and west to about Brockville. There are reports of 75% winterkill in some of these areas, particularly on flat, heavier clays in the Ottawa Valley. This winterkill includes some new seedings, as well as orchardgrass. A cool, wet spring has delayed green-up and spring seeding, further complicating how to manage the situation. Forage inventories are exceptionally low for this time of year, and record high hay prices continue to be…
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Controlled Grazing Guidelines
This article was written by Jack Kyle, Grazing Specialist, OMAF and MRA for CropTalk The success of any grazing program or system is very much dependent on how the pasture is managed throughout the year. Giving the grasses and legumes in the pasture the opportunity to grow and accumulate energy for your livestock to consume is the key. The best way to do this is to have some control over where the livestock is grazing. This is accomplished by fencing and rotating between pastures/paddocks throughout the grazing season. Don’t Start Too Early Starting too early in the spring will set the growth back for the whole season. Wait until the grass plants have developed 2 full leaves and the 3rd…
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Check Alfalfa Stands This Spring and Make A Plan
This article was originally posted on Field Crop News Written by Joel Bagg Low forage inventories and increasing risk for alfalfa winterkill makes assessing spring alfalfa health essential.Walking fields early this spring to determine if the alfalfa stand has thinned, and assessing if plants are dead or unhealthy is a proactive strategy to determine management options. Making the decision whether to manage an existing reduced stand or replace it with a new establishment can sometimes be difficult. However, with tight forage inventories there isn’t much room for ignoring the issue until you find yourself with a feed shortage. Don’t wait until it is too late to implement useful options, such as timely reseeding a new stand in the rotation. Alfalfa Winterkill Risk Factors: Although it is always…
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Rethinking Orchardgrass
This article was originally posted on Field Crop News by Joel Bagg Orchardgrass can be very productive, particularly in pastures and hay fields with aggressive cutting schedules. It is a very fast growing, perennial, cool-season grass. However, because it heads so very early in the spring and then declines quickly in digestible energy and protein, it has not been as widely used for stored forage in Ontario compared to other forage grasses. This is changing more recently, as plant breeders are researching and developing newer orchardgrass varieties with later maturity. An Alternative To Timothy? Timothy has always been the most popular grass in Ontario because of its late maturity, ability to mix with alfalfa and go through the small seed box,…
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Fall Pasture Management Following a Dry Summer
Originally published in Crop Talk September 2012 The summer of 2012 has been one of the driest on record in Ontario and pastures are showing the impact. There are a number of steps to consider this fall and next spring to bring pastures back into top form. Reduce Tramping Allowing pasture to re-grow and recover this fall will result in a more vigorous stand next spring. Sacrifice a small pasture and feed in this area rather than letting the livestock roam across the entire pasture. Once moisture levels return and the grass starts to re-grow, give pastures an opportunity to develop before allowing livestock to graze. The plants need time to grow new root and leaf material and re-build root…
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