Root growth in alternative soil/vegetation covers at Rocky Mountain Arsenal : project report
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The three lysimeters of Shell Disposal Trenches (SDT) Resource Conservation and Recovery Act (RCRA)-equivalent cover at Rocky Mountain Arsenal (RMA) exceeded the maximum amount of percolation allowed under the compliance standard in spring 2015 and 2016. The Integrated Cover System RCRA-equivalent (ICS) cover continued to meet the compliance standard. We assessed plant root characteristics in the two cover types and a natural site in an effort to understand the underlying cause of excessive percolation in the SDT cover. Three 4 foot soil cores were collected near each of three lysimeters in each ...