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Bulletin E3535
Unveiling the True Potential of Saturated Buffers

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August 28, 2025 - Ehsan Ghane<ghane@msu.edu>, Michigan State University

A saturated buffer is a conservation drainage practice that targets nitrate in tile drainage discharge. A new Michigan State University study used a paired-field approach to compare a saturated buffer to a free drainage control field. This method allowed researchers to isolate the effects of subsurface buffer flow and controlled drainage, something previous studies couldn’t do.

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