Cold nighttime temperatures in recent weeks across Ontario are causing soybean plants to shut down. That’s one of the reasons why many growers are seeing oddly coloured leaves throughout their soybean crops. In this Real Agriculture Soybean School episode, Pride Seeds agronomist Dan Foster explains that in many instances the bronze and reddish leaves growers… Read more »
Category: Soybean School
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Soybean School: No payback for white mould revenge spraying
White mould is showing up in soybean fields across Ontario, especially in areas that have consistently seen wet weather and moderate temperatures throughout the summer. In this episode of RealAgriculture Soybean School, OMAFRA plant pathologist Albert Tenuta explains that the fungicide timing for optimal control of white mould is as flowers emerge at the R1… Read more »
Soybean School: Pre + post = successful IP weed control
What’s the best herbicide program for food-grade, non-GMO, identity preserved soybeans? It’s a common question OMAFRA weed specialist Mike Cowbrough gets from growers and we have the answer on this edition of RealAgriculture Soybean School. Cowbrough says there’s no magical herbicide that can handle all the challenges food-grade soybeans face during the growing season. But… Read more »
Soybean School: Taking a closer look at soybean aphid thresholds
The combination of increased soybean acres and high soybean aphid pressure on the prairies in 2017 has sparked conversations about thresholds, beneficial insects, and how to decide when spraying is warranted. The economic threshold for soybean aphids in Canada has traditionally been 250 aphids per plant on 80 percent of plants, with the population still… Read more »
Soybean School: Preventing those yellow patches next year
Most of the yellow patches in soybean fields in Western Canada and the northern U.S. have disappeared as the plants have recovered, or turned necrotic and died, but one of the big questions heading into harvest is: what toll did widespread issues with iron deficiency chlorosis (IDC) earlier in the season take on yields? The… Read more »
Soybean School: One-pass vs. two-pass weed control
Should you spray your soybeans once or twice? In this episode of Real Agriculture Soybean School, OMAFRA weed specialist Mike Cowbrough takes a look at how one-pass and two-pass herbicide systems compare. He notes that a one-pass program can offer effective weed control if growers keep soybeans fields weed-free through the third trifoliate stage. But… Read more »
Soybean School: Painted lady caterpillar dines on thistle and soybeans
The painted lady caterpillar, also known as the thistle caterpillar, is typically something pulse growers in Western Canada have seen as a beneficial insect. This is because it feeds on Canada thistle. However, as seen in 2017, the painted lady caterpillar also likes to chew on soybeans, causing leaf damage and potential yield losses. In… Read more »
Soybean School: Getting fungicide timing right
A stretch of sunny, dry weather in Ontario has soybeans on the comeback trail. That also means that soybean fungicide timing is sneaking up on many growers as the crop picks up steam in mid July. In this edition of RealAgriculture Soybean School, BASF agronomist Ken Currah takes a closer look at the soybean fungicide… Read more »
Soybean School: Hail management akin to planting double-crop soybeans
When hail hits first trifoliate soybean plants in late June, should you replant? In most situations, RealAgriculture agronomist Peter Johnson would give you the ‘thumbs down’ and tell you those plants are resilient and they’ll make a comeback. But the decision really depends on the condition of the plants, says Johnson in the latest episode… Read more »
Soybean School: Rolling soybeans could boost yield
The idea of rolling soybeans got its start in many areas as producers looked for ways to push stones into the ground to keep them out of the combine at harvest. But could there be a yield benefit? When rolling soybeans, timing is important – both the growth stage and time of day. In this… Read more »
Soybean School: Late-planted crop playing catch up
It’s been a rugged start for Ontario’s soybean crop. With cool, wet growing conditions, late planting, insect feeding and soil crusting, many growers find themselves squarely behind the eight ball. According to OMAFRA soybean specialist Horst Bohner, most soybeans have been planted but some growers are still struggling to get seed in the ground. What… Read more »
Soybean School: Planting on corn rows costs money
It pays to steer clear of those corn rows when planting soybeans. In this episode of RealAgriculture Soybean School, Syngenta agronomist Eric Richter explains that planting directly on, or too close to, last year’s corn row produces seed mortality rates between 50% to 80%. He notes that it really doesn’t matter whether growers are pulling… Read more »
Soybean School: Should you plant now and spray later?
With fields drying out and warming up soybean planting is moving full steam ahead in Ontario. In many cases the spring conditions are dictating that farmers take a ‘plant now, spray later’ approach. It’s an obvious choice, but the challenge for many is how to manage fast-growing, large weeds that can quickly take a bite out… Read more »
Soybean School: Monitor seed size variation between varieties and seed lots
The race is on in many areas — and hopefully soon will be in others — to get this year’s soybean crop in the ground. It’s critical to make some pit-stops along the way to adjust the planter or drill for optimum performance, as covered in this Soybean School episode. Seed size can vary widely,… Read more »
Soybean School: It’s only May — late planting is a month away
Horst Bohner estimates there are only several hundred acres of soybeans planted in Ontario and he’s OK with that. As rain continues to saturate soils across the province, the Ontario Ministry of Agriculture, Food and Rural Affairs soybean specialist is reminding growers that it’s early for planting soybeans. In this episode of RealAgriculture’s Soybean School,… Read more »