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The ISU Integrated Pest Management (IPM) Impact Evaluation FAQs (Frequently Asked Questions) – 2015-2018

1) What is this evaluation about?

The purpose of this evaluation is to assess the impact of Iowa State University Integrated Pest Management (ISU IPM) programs, activities, and goals. Your voice is critical to this effort. Regardless of how you answer the questions, your responses will help us to critically examine the contributions our program can make to improving pest management, plant health and productivity for all Iowans.

2) Who is doing this evaluation?

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Weeds

Focus weeds for Harrison County Pest Resistance Project

The Harrison County Pest Resistance Project initially began in 2017 as a result of the introduction of Palmer amaranth in the county four years prior. As most farmers in the area are grappling with herbicide resistant weeds but do not have Palmer in their fields yet, the project was expanded to include waterhemp, marestail, and giant ragweed. Read below to learn more about these weeds and why they were included in this project.

Waterhemp

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Harrison History

The Harrison County landscape includes both hills and valleys. Farming techniques differ depending on the topography of the farm because what works in the valleys does not work in the hills and vice versa. Tillage is not used in the Loess Hills but it is in the bottoms.As seen in 2019, flooding on the Missouri River bottoms is a significant challenge that affects management. Deposition of sand affects how locals farm, and weed seeds are spread during flooding as well. The high water table affects other aspects of management.

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Harrison Pests

The Harrison County Pest Resistance Project initially began in 2017 as a result of the introduction of Palmer amaranth in the county four years prior. As most farmers in the area are grappling with herbicide resistant weeds but do not have Palmer in their fields yet, the project was expanded to include waterhemp, marestail, giant ragweed and disease trials as well. Read below to learn more about local disease and weeds and why they were included in this project.

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