Mesocosm Installation for N Fixation in Switchgrass

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In use from 2018-11-02

Abstract

Stainless steel mesocosms are installed in plots of the KBS LTER Interactions Experiment to measure N fixation rates on minimally-disturbed switchgrass under field-relevant conditions. To install mesocosms, soil is excavated using a backhoe and the bucket contents are separated by soil horizon; mesocosms are placed in the excavated pits, leveled, and then filled-in by soil horizon while ensuring proper infiltration and accounting for settling.


Note: Soil depths and horizons given in the protocol are specific to KBS and are based on the Kalamazoo soil series; they will vary depending on site and across plots.

Protocol

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