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Angie Peltier

Angie Peltier
Former Extension Educator, Commercial Agriculture

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Hill and Furrow

Current topics about crop production in Western Illinois, including field crops research at the NWIARDC in Monmouth.
Figure. Corn plants injured by wind and hail on June 22, 2016 at the Northwestern Illinois Agricultural R&D Center in Monmouth.
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Foliar Fungicides on Hail Damaged Corn and Soybean: Does it Pay?

After the Wind and Hail: Corn and Soybean Recovery and Yield Potential. The severe weather that rolled through several counties in Western Illinois in the early morning hours of June 22 makes one think long and hard about how wind- and hail-damaged corn and soybean crops might fare and whether there is anything that can be done to help to preserve remaining yield potential (...

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Figure. Corn curling due to abnormally dry conditions at the Northwestern Illinois Agricultural Research and Demonstration Center on June 21, 2016.
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Crops need the forecasted rain

Posted by Angie Peltier - Weather

According to the U.S. Drought Monitor's June 14 report, the Northwestern Illinois Agricultural Research and Demonstration Center (NWIARDC) outside of Monmouth is part of the 36 percent of Illinois that is considered abnormally dry ( Figure ). This is the designation that is typically precedes a drought declaration. The below average rainfall totals and above average high...

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Figure. Root pruning caused by rootworms at the NWIARDC in 2014. Significant root pruning can cause yield loss and harvest difficulties.
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Corn rootworm egg hatch dictates when best to scout for root injury

To provide corn producers with a method to estimate peak corn rootworm egg hatch and when to best scout for root feeding damage, the Illinois State Water Survey's Illinois Climate Network calculates accumulated pest degree days . They use daily maximum and minimum bare soil temperatures (52 degree minimum) at a 4 i...

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Figure. Poison hemlock leaf. In 2016 poison hemlock plants have grown very tall (up to 7 ft), forming dense shrubs. These carrot relatives produce alkaloid compounds that are toxic to humans and other animals when consumed.
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2016 is a bumper year for toxic weeds

Driving down any Western Illinois road this spring one can't help but notice just how many very tall weeds there are growing in field edges and along fence rows. According to University of Illinois USDA Weed Ecologist Dr. Adam Davis, every weed species has specific germination cues, or moisture and temperature fluctuations required for seeds to germinate and seeds of biennial plants to survive...

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Figure. Herbicide injury symptoms observed in soybean at the NWIARDC in 2016.
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Injury symptoms in soybeans from soil-applied pre-emergence herbicides

Herbicide injury symptoms have been widespread this year at the Northwestern Illinois Agricultural Research and Demonstration Center (NWIARDC) in Monmouth - on corn and now on soybeans. Soybeans were planted on May 12 and May 1...

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Figure. Corn planted on different dates in 2016 at the NWIARDC. From Left to right is corn planted on April 5, April 15, May 5 and May 19.

Planting date and corn and soybean development

Corn and soybean planting date trials. Each year corn and soybean planting date trials are established at the Northwestern Illinois Agricultural Research and Demonstration Center (NWIARDC) in Monmouth. Sunshine, adequate moisture and moderate temperatures are needed to drive the enzymatic reactions responsible for plant growth and development. Relationship betwe...

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