Use of Municipal Sewage Sludge for Improvement of Forest Sites in the Southeast

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In eight field experiments dried municipal sewage sludge was applied to forest sites before planting of seedlings. In all cases, tree growth was faster on sludge-amended plots than on plots that received fertilizer and lime or no amendment. In all studies, concentrations of total nitrogen in the soil were higher on sludge plots than on control or fertilizer plots, even on good forest sites. In seven of the eight studies, concentrations of phosphorus also were higher on sludge plots than on control or fertilizer plots. Nitrogen and phosphorus tended to be higher in foliage from trees growing on sludge plots. ... continued below

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Berry, Charles R. September 1987.

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In eight field experiments dried municipal sewage sludge was applied to forest sites before planting of seedlings. In all cases, tree growth was faster on sludge-amended plots than on plots that received fertilizer and lime or no amendment. In all studies, concentrations of total nitrogen in the soil were higher on sludge plots than on control or fertilizer plots, even on good forest sites. In seven of the eight studies, concentrations of phosphorus also were higher on sludge plots than on control or fertilizer plots. Nitrogen and phosphorus tended to be higher in foliage from trees growing on sludge plots. Deep subsoiling was beneficial regardless of soil amendment. Where weeds were plentiful at the outset, they became serious competitors on plots receiving sludge.

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OSTI as DE00781312

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  • Other Information: PBD: 1 Sep 1987

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  • Report No.: 87-2-P
  • Grant Number: AI09-76SR00056
  • DOI: 10.2172/781312 | External Link
  • Office of Scientific & Technical Information Report Number: 781312
  • Archival Resource Key: ark:/67531/metadc717550

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  • September 1987

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 4, 2016, 9:09 p.m.

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Berry, Charles R. Use of Municipal Sewage Sludge for Improvement of Forest Sites in the Southeast, report, September 1987; Asheville, North Carolina. (digital.library.unt.edu/ark:/67531/metadc717550/: accessed June 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.