Updated: May 19, 2021

Deep row incorporation of biosolids using hybrid poplar trees involves the placement of biosolids into trenches that are immediately covered with overburden, eliminating odor problems, and maintaining the biosolids in a fairly stable, anaerobic environment. The site is then planted with hybrid poplar trees, the roots of which provide a natural recycling system that utilizes the nutrients over a six-year period in most cases. This study reports the migration of nitrogen in the study area.

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