Interactions of subsoiling and sewage sludge on soil physical and chemical factors and growth of Pinus Taeda L. and a Festuca Sp. Progress report
Technical Report
·
OSTI ID:5301272
Eight intensities of subsoiling were compared to disking on borrow pit reclamation plots amended with 17 mt/ha sewage sludge or inorganic fertilizer (1121 kg/ha) and lime (242 kg/ha). After one year, N and P levels in sludge plots were significantly higher than in fertilizer plots. K was low in all plots. Foliar N was significantly increased in trees on sludge plots, but foliar K was significantly higher in trees on fertilizer plots. Trees on the sludge-amended plots grew an average of 37.3% more in height and 76.5% more in DBH than trees grown in the fertilizer-amended plots.
- Research Organization:
- Forest Service, Athens, GA (USA). Inst. for Mycorrhizal Research and Development
- DOE Contract Number:
- AI09-76SR00870
- OSTI ID:
- 5301272
- Report Number(s):
- DOE/SR/00870-33; ON: DE84007516
- Country of Publication:
- United States
- Language:
- English
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