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tractor spreading liquid manure on a green field

Past management impacts phosphorus availability

The corn-soybean rotation is the dominant cropping system on farmland throughout central Canada and the midwestern United States. However, long-term research shows that this rotation has lower crop yields, soil quality, resilience to climate change, and profitability.

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Tarped hay bales in a row beside a field of corn and a field of cover crops

Diversify crop rotations to improve yield and soil health

The corn-soybean rotation is the dominant cropping system on farmland throughout central Canada and the midwestern United States. However, long-term research shows that this rotation has lower crop yields, soil quality, resilience to climate change, and profitability.

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What matters more

It’s been eighteen months. Eighteen months since students stepped foot here on the Guelph campus, eighteen months since I had a London Fog in the

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Tractor applying a sidedress nitrogen application to corn

Split nitrogen applications are an economic and environmental win-win in dry years

Nitrogen fertilizer use in agriculture has been increasing; unfortunately, the same is true for nitrogen losses to the environment. Weather, as well as the frequency and timing of nitrogen applications, can affect how efficiently nitrogen is used by the crop to produce yield and how much is lost. One way to improve nitrogen fertilizer use in corn is to split the application so that some is applied at planting and the rest is applied in the growing crop. Farmers can then adjust the rate and timing of the second application depending on the weather.

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Regrouping

You can’t stay on the mountaintop forever. After an incredible start to 2021 with the Midwest Cover Crops Council Conference in February, we’ve been taking

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Aerial view of crop rotation research plots

Crop rotation diversity improves yield resilience

The warming of the earth’s climate and an increasing global population is presenting enormous challenges for the agricultural industry to increase food production. More frequent extreme weather events caused by climate change, such as drought, are problematic for the Northern Corn Belt, where simple two-crop rotations of corn and soybean are common.

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Virtual adventures

Wow! What a busy start to 2021! With the Midwest Cover Crop Council Conference wrapping up in late February and gearing up for planting season,

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It's almost the weekend! Have a laugh with this sneak peak at our upcoming miniseries, #CookingWithCovers! Featuring agronomists and farmers from across #ontag, this comedic take on #CoverCrops drives home the key messages to SUCCESS💪🏆🏅

@DCHighlander @CoverCropsMCCC

"It’s not a simple thing to look at a 2,000-acre grain operation and say, 'let’s incorporate cover crops.'"

New article feat #ontag farmer @farmerstrang and #UofG @RidgetownCampus prof Richard Vyn on the complexity of adopting #covercrops

https://farmtario.com/crops/cover-crop-adoption-decisions-are-complex/

I wish there was more of this!Majority of erosion occurs in the fall and spring. Worked soybean ground has 0% cover. Some risk with early frost but I expect good success in SW ON. Minimal expense. Even if we get 4” top like wheat. Blend with fert = no extra time when busy. https://twitter.com/JoshBoersen/status/1463859994441433092

Josh Boersen@JoshBoersen

Less is very often more with #cover crops. 30 lbs Oats broadcast with light incorporation after manure.

We planted these mid september and they are already as thick as we'd like to have going into winter.

NEW! study summary from @karidunfield lab in collab with @soilecologyUMan: A case of how past soil management can lead to luxury phosphorus uptake, comparing #manure/#fertilizer use efficiency. Have a read ⤵️

#LetsTalkSoil #UofG @UofG_SES
https://soilsatguelph.ca/past-management-impacts-phosphorus-availability/

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