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FAQ: How are prairie strips different from contour buffers and grass strips?

How are prairie strips different from contour buffers and grass strips?


Contour buffers are typically planted with fixed widths. In contrast, we vary the width of the prairie strips based on the amount of water they intercept, with the goal of treating all of the runoff leaving the crop field. Where more water is flowing down-slope, prairie strips should be wider, and where less water is flowing down-slope, the strips can be narrower.


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Research Overview

Helmers-Watkins-Liebman NSNWRThe STRIPS project began in 2003, when Iowa State University scientists began discussing the opportunity to test the effects of integrating restored prairie in crop fields with managers at Neal Smith National Wildlife Refuge. Together, the scientists and refuge managers established four different treatments on 12 small watersheds at Neal Smith in 2007. As of 2012, we're now also working on a growing number of commercial farm fields across Iowa and northern Missouri. Read more about the research background, farmer collaborators, and research topics here. Read more about Research Overview

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