Summary of Nitrogen Concentrations in Soil Water Collected at 2' Depth on Forest Irrigation Plots
Francke, H.C.; Francke, H.C.
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Science and Technology\Geology, Hydrology, Seismology, Site Studies; Health, Safety and Environment\Environmental Effects
CORRESPONDENCE, LETTERS, MEMOS
1972 Oct 06
Originating Research Org.:
Oak Ridge National Laboratory
OpenNet Entry Date:
1998 Jun 16
This report shows the results of nitrogen analyses which included a separate analysis of nitrate, ammonia, and total nitrogen. The analyses were processed with similar samples from on-going research on Walker Branch Watershed, and the results of pre-irrigation nitrogen concentrations were similar. Concentrations vary seasonally and with forest type. The soil water data collected to date for nitrogen analyses indicate that there have been no adverse effects on the soil system from the application of alkaline (PH 10+) effluent. Also, the residence time of nitrate in the biologically active upper soil horizons ranges therefore up to 100 days. The soil water percolating beneath 2' has nitrate concentrations within limits of control plots. Data is included with a summary of nitrogen concentratrions in soil water.