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New paper evaluates practices for mitigating nutrient loss in subsurface drainage

June 8, 2022  By Drainage Contractor

A new paper has found potential in a number of mitigation measures to solve the issue of nutrient loss into waterways from subsurface drainage.

The paper includes data from a multi-decade, multi-site project. Nearly 40 research sites across the Midwest and North Carolina provided data on three conservation practices for cropland with subsurface drainage: saturated buffers, controlled drainage and drainage water recycling. A total of 219 variables were reported. The findings, according to the paper, have “large reuse potential” for the U.S. and beyond. The paper added that some of these processes have potential to increase crop resiliency in the face of climate change.

See the full paper here.


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