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The most accurate sampling time is just prior to seeding, but this isn't always practical because time is needed to purchase and perhaps place the fertilizer before seeding. The next best alternative for this time of year is early spring sampling done after the soil has thawed and is no longer saturated from snow melt…
Nutrient management
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A lot of farmers who normally apply nitrogen fertilizer in the fall didn't get the opportunity with the late harvest and unfavourable weather last fall. In this podcast, host Jay Whetter talks with CCC agronomy specialist Warren Ward and Manitoba Agriculture crop fertility specialist John Heard about six options for nitrogen application in the spring…
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Recent wet and dry cycles have increased topsoil salinity in many parts of the Prairies over the past few years. “Salinity is not a salt problem, it’s a water problem,” says Marla Riekman, soil management specialist with Manitoba Agriculture and Resource Development. “Wet years bring the water table closer to the roots, and salinity wicks up to the soil surface.”… -
If N fertilizer is applied in fall, it should be banded, preferably as late as possible – but not too late. Applying into frozen ground or on snow is not a good practice… -
You want to apply fall nitrogen as close to freeze up as possible to balance two objectives: (1) allow soil to seal over the band (frozen soil may not seal) and (2) reduce losses due to high microbial activity in warm soils. Band urea at least 2” deep…
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In celebration of Phosphorus Week and the 350th anniversary of the discovery of this essential element for agriculture, Fertilizer Canada launched "4R Management of Phosphorus Fertilizer in the Northern Great Plains: A Review of the Scientific Literature”, written by Cindy Grant and Don Flaten.Here are a few key messages…
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We heard two reports this week of sulphur deficiency symptoms. One situation was the result of other early-season pressures – delayed emergence and flea beetles – and was solved as the plants grew bigger… -
Marketing and environmental challenges often have farmers reviewing ways to best-manage inputs to improve profits. Here are common agronomy practices that can greatly influence crop profitability… -
Two key topics: How much fertilizer does canola need? and Why limit seed-placed fertilizer?…
