Canola Watch – March 18, 2016

March 18, 2016

TOP 10 HIGHLIGHTS FROM CANOLAB 2016

Red diamonds indicate Prairie-wide P deficit. Yellow bars are amounts removed each year. Orange are amounts applied. Source: Rigas Karamanos

1. With phosphorus, ultimately the form you apply is less important than the amount you apply. Crop nutrition specialist Rigas Karamanos used the graph below to show the chronic under-application of P year after year.

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MAKE A CLEAVERS MANAGEMENT PLAN

Cleavers

A well-managed, systematic approach is the best strategy for bringing cleavers under control.

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PREP JOBS FOR MARCH

Seeding in March is way outside our sphere of experience, so even if the fields could be seeded, waiting until late April or May is still recommended. We still have lots of winter left for a potential cold and snowy snap — as demonstrated this week in many regions.

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NITROGEN REVIEW: SOURCES AND PLANT AVAILABILITY

Know your fields and your yield expectations. Soils where N rates have not kept pace with N removal will need to be built back up to increase their productivity. Here is a review of N product options and how they become plant-available…

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ULTIMATE CANOLA CHALLENGE: 2015 RESULTS, 2016 PLAN

The has protocols and objectives for 2016 and results from 2015.

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FLUCTUATING TEMPERATURES MEAN UNSTABLE STORAGE

Swings from cold to warm temperatures this time of year can increase the storage risk for canola. Warm exterior temperatures and cooler canola will increase the rate of moisture migration inside the bin. Please check your bins.

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WHY MRLS MATTER

Watch this new video called “Crop Protection Products and International Markets: What You Need to Know” to find out why you should consider MRLs when making pest management decisions. The video is posted at .

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VERTICILLIUM UPDATE

Soil surveys by the CFIA in 2015 found V. longisporum in Alberta, British Columbia, Manitoba, Ontario, Quebec and Saskatchewan. V. longisporum is related to V. dahliae, which causes wilt disease of potatoes and sunflowers, but V. longisporum symptoms in canola do not seem to cause yield loss at this time.

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CPT SURVEY RESULTS

A big thank you to everyone who took the time to fill out the recent Canola Performance Trial (CPT) survey! Results are available through the attached PDF.

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USE THE BEECONNECTED APP

CropLife Canada and the Canadian Honey Council have introduced a smartphone-based app to help facilitate communication between beekeepers, farmers, and sprayer operators.

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GROWER PARTNERS NEEDED FOR SUMMER CANOLA STORAGE PROJECT

Prairie Agricultural Machinery Institute (PAMI) plans to continue its evaluation of best practices for summer storage of canola in 2016. PAMI is looking for partner canola producers in Saskatchewan to assist with data collection.

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SCIENCE-O-RAMA ON APRIL 6

Murray Hartman’s Science-O-Rama is April 6 at the Renaissance Edmonton Airport Hotel. The one-day meeting features 11 research updates. Registration is $75 plus GST. For more information and to register, .

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COVER CROPS: BENEFITS, CHALLENGES AND TIPS

Here are a few examples of cover crop combinations.

Cover crops provide ground cover to avoid leaving fields bare. They provide weed competition, take up excess moisture, tie up nutrients at or near the soil surface so they’re not lost, and improve salinity. Nitrogen-fixing cover crops can increase soil nitrogen levels. Grassy cover crops act as “green manure”. All cover crops can reduce wind and water erosion of soil.

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ADD YOUR “REGION” TO YOUR CANOLA WATCH SUBSCRIPTION

Canola Watch will provide regional updates when necessary. To do this, we need readers to update their free Canola Watch subscription to select the region that best suits their location. This takes four steps and about two minutes….

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HOW MUCH FERTILIZER DOES CANOLA NEED?

When setting fertilizer rates, it helps to know your target yield and how much fertilizer canola needs per bushel of yield. Some of that will come from soil reserves and from organic matter. The rest has to be applied as fertilizer.

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Canola Watch is a free, unbiased, timely and research focused weekly newsletter from the Canola Council of Canada Crop Production Team

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