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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 Growing Degree Day decision support tool. After a location is selected, the tool can be further customized to include planting date and hybrid-specific information regarding phenological milestones (see blue box). (Credits: U2U Project:

Free Corn Growing Degree Day (GDD) Decision Support Tool

Through funding provided by the USDA-National Institute of Food and Agriculture, a group of researchers from nine different Midwestern states and Universities worked collaboratively to develop a series of decision support tools for Midwestern crop producers. One of these is called the Corn Growing D...

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Figure. Black cutworm. Note the small, black dagger-shaped marking on each outer wing.
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Corn Producers Urged to Scout for Black Cutworms, Despite Lack of "Significant" Flight

Posted by Angie Peltier - Insects

Pheromone traps are set up at various locations throughout the state in order to register when a "significant" black cutworm flight, which occurs when nine or more moths are trap...

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May 15

Collection locations and dates listed for 2015 Agrichemical Container Recycling Program

Posted by Angie Peltier -

As part of their Agrichemical Container Recycling Program, the Illinois Department of Agriculture has released the locations, dates and times for the single day collections this July and August ( Figure ). These single-day sites complement the three permanent container collection sites that are open throughout the year. It is estimated that more than 1.6 million pounds of plastic...

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Figure. Note the dark rain clouds ready to drop rain on the SDS seed treatment trial just planted at the NWIARDC (Image credit: Marty Johnson).
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Rains Help Create Conditions Favorable for Disease

A wet week. In a 7 day period between May 4 and 10, the Northwestern Illinois Agricultural Research & Demonstration Center (NWIARDC) received 2.21 inches of rain ( Figure ), an inch more than was received during the entire month of April! This rain largely put a stop to most field operations at the NWIARDC. Seed treatment trial planted....

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Figure. True armyworm moths captured using a pheromone trap. Moths are identified and counted to determine when large numbers of adults are migrating through the trap area and when to begin scouting.

What happens 1 to 2 weeks after 85 true armyworms land in my pheromone trap?

No this is not a trick question; let me explain. What are true armyworms ? True armyworms are insect pests of grasses and crops such as corn and small grains. Many of the Bt-traited corn hybrids express proteins that provide protection against the true armyworm. However, not every Bt hybrid provides pr...

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Figure. Map and Table summarizing abnormally dry soil conditions on April 28, 2015 (Source: U.S. Drought Monitor).

Dry April Weather = Good Planting Conditions

Precipitation. Before the most recent rain events over the weekend, Warren County was among several Illinois counties that that were listed by the U.S. Drought Monitor as being abnormally dry ( Figure ). This made for great planting conditions as soils were able to hold large equip...

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