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Erosion Control Measures

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ECM for Cropped Environments - Grassed Waterways

Grassed Waterways:

A grassed waterway is a natural or constructed ditch, usually broad and more shallow than the rest of the field, used to conduct surface water from or through cropland. Grassed waterways enhance water infiltration and trap eroded sediment. They are less costly to implement but require periodic maintenance to work efficiently. Grassed waterways also help in preventing the development of gullies in the fields because the grasses are purposely established in the lowest part of the landscape, where concentrated water flow will likely occur.


A network of grassed waterways.	Contour terraces draining into a grassed waterway.

Read more on grassed waterways

http://muextension.missouri.edu/xplor/agguides/agengin/g01504.htm

Thinking Question:

Discuss the advantages and limitations of grassed waterways in controlling erosion. Response

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This project was supported in part by the National Research Initiative Competitive Grants CAP project 2011-68002-30029 from the USDA National Institute of Food and Agriculture, adminstered by the University of California-Davis and by the National Science Foundation (NSF), Division of Undergraduate Education, National SMETE Digital Library Program, Award #0938034, administered by the University of Nebraska. Any opinions, findings, conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the USDA or NSF.