Category: Soybean School

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Soybean School West: Brown Spot, Downy Mildew & Herbicide Injury — Which is Which?

Soybean growers in Manitoba are — so far — rather lucky. While there are diseases in the province that infect soybeans, like downy mildew, white mold (sclerotinia) and brown spot, overall pressure is relatively low. That will change over time, however, as Vikram Bisht, plant pathologist with Manitoba Agriculture, Food and Rural Development, points out,… Read more »

Soybean School: Clearing Up the Confusion on Proper Crop Staging

What’s soybean stage R2 versus R4 and why does it matter? Turns out, it matters a whole lot, as does knowing how long you can anticipate the crop being in each stage. Soybeans move through three growth stages: vegetative, when weed control is the priority, to reproductive, when disease control is likely most timely, and… Read more »

Soybean School: Getting Tough on Tufted Vetch in Soybeans

OMAFRA Weed Management Lead Mike Cowbrough has been getting lots of calls from growers this year looking for tips on how to control tufted vetch in soybeans. The perennial legume is tough to control in an annual legume crop like soybeans, and there’s virtually no way to control it once the crop is out of… Read more »

Soybean School West: Identification and Management of Chlorosis

Chlorosis, or yellowing of leaf tissue in plants, can be an indicator of a great number of issues from nutrient deficient soils to poor root systems or saturated soils. Manitoba farmers especially are dealing with excess moisture this year, even outside of the flood zones along the Assiniboine River, and while soybeans do take standing… Read more »

Soybean School: Tips for Burndown Crunch-Time

OK, you missed your window for that all important pre-seed burn. Things may have been a little soggy, you may have been a little busy…whatever the reason. The good news is you’ve still got a shot to get those beans poking up in a clean environment. It’s crunch-time though, so in this episode of the… Read more »

Soybean School West: The Insect and Disease Scouting Calendar

What’s the toughest part of trying out a new crop? Once you get the equipment set up sorted out at seeding and harvest, it’s on to crop diagnostics. Mother Nature tends to give farmers a bit of a break when it comes to disease and insect pressure in the first years of growing a crop,… Read more »

Soybean School: Do Twin-Fan Nozzles Make a Big Difference?

Double nozzles are necessary to get the best possible coverage of a vertical target, true or false? Turns out, the answer is more likely that third option — the dreaded “it depends.” In this Soybean School episode, Real Agriculture’s Bernard Tobin is joined by Jason Deveau, Ontario Ministry of Agriculture and Food spray specialist to… Read more »

Soybean School West: Must-Have Tools for Evaluating Stand Establishment

How close did you get to achieving the soybean plant density you were aiming for? What’s the yield potential of the stand you have? The only way to get a bead on those answers is to get out and scout the soybean stand early in the season — at about the first trifoliate stage. How… Read more »

Soybean School West: Can You Influence Pod Height?

In a perfect world, the soybean plant would pop up out of the ground, grow some leaves and then really stretch a bit before setting where that first pod will form. The reality for many western Canadian farmers, however, is that even in a decent year, our Prairie springs are quite cool — first pod… Read more »

Soybean School West: Glyphosate Resistance Management with Roundup Ready Crops in Rotation

Soybeans are a relatively new crop for many farmers in Western Canada. For many farmers, this brings a second RoundUp Ready crop (or possibly third) into rotation. Because of this, controlling volunteer canola ahead of the soybean crop is crucial, as high canola populations can have a significant yield impact, and more costly, as a… Read more »

Soybean School: A To Do and Don’t Do List for Growing IP Beans

If you’re considering growing identity-preserved (IP) soybeans this year, you’re certainly not alone. Solid premiums combined with a surplus of winter-killed winter wheat fields has many farmers becoming IP-curious, some for the very first time. In this episode of the Soybean School, Ontario field editor Bernard Tobin asks Tim Montague, procurement manager for Huron Commodities,… Read more »

Soybean School: Ideal Planting Dates & When, If Ever, To Swap out Varieties

The 2014 planting season isn’t exactly kicking off with a bang. A hard winter, a slow spring and continued rain has been hard on winter wheat fields and has got planting off to a very slow start. While soybeans aren’t the first priority to get in the ground (they do require warm soil, after all),… Read more »

Soybean School West: Why Phosphorus Management for Soybean is Unique

Phosphorus management is and must be a long term proposition. Phosphorus behaves very differently than nitrogen in the soil, as it binds tightly to soil particles and releases slowly over time. This is good and bad — it’s not subject to the same loss risk that N is, but it also means that sometimes the… Read more »

Soybean School: Yield Response to a Fungicide — Is Early Application Better?

What is the yield response of a soybean crop to a fungicide application? (wait for it…) It depends. If you’re not content with that answer, don’t worry — neither are researchers. While there are several factors that work in to the decision to spray, questions surrounding the efficacy and the response of that application can… Read more »

Soybean School: Go Big or Go Home — Does Intesifying Inputs Pay?

If you’re decided on rates and types of inputs, which do you skip or scale back on if margins become tight? Fungicide? Seed? Fertilizer? Should you cut back at all? The concept of intensively managing corn is widely accepted and researched, but not so with soybeans, so Dr. Dave Hooker and colleagues set out to… Read more »