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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/74/6/AJ0740061013
Last checked: 12/08/2016
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| Publication Type:
| Refereed |
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| Author(s): | Tester, C. F.;
Sikora, L. J.;
Taylor, J. M.;
Parr, J. F. |
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| Author Affiliation: | Tester: Research Chemist; Sikora: Microbiologist; Taylor: Plant Physiologist; Parr: Microbiologist, Biological Waste Management and Organic Resources Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, Maryland |
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| Title: | Nitrogen utilization by tall fescue from sewage sludge compost |
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| Source: | Agronomy Journal. Vol. 74, No. 6, November/December 1982, p. 1013-1018. |
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| Publishing Information: | Madison, WI: American Society of Agronomy |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Nitrogen use; Festuca arundinacea; Sewage sludge; Soil amendments; Application rates; Nitrogen uptake; Lime
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| Abstract/Contents: | "The agronomic value of sewage sludge compost as an N source for tall fescue (Festuca arundinacea Schreb. 'Kentucky 31') was evaluated in a greenhouse pot study. An evesboro loamy sand (mesic, coated Typic Quartzipsamments) and a Fauquier silt loam (fine, mixed mesic Ultic Hapludalfs) soil were amended with four rates of sewage sludge compost (0 to 6% on a dry weight basis) equal to 0 to 135 metric tons/ha, a lime treatment, two rates of N (0 and 195 kg/ha), P (0 and 390 kg/ha), and N plus P in a factorial design. Kentucky 31 tall fescue was grown and harvested at 40, 76, 120, and 167 days. The clippings and one replicate of roots and crowns grown in the Evesboro soil were analyzed for total N. Total N uptake by fescue grown in compost amended Evesboro soil was significantly greater than with Fauquier soil treated similarly. Fescue N content was linearly related to the compost amendment for both soils and was significantly increased by the addition of N and P singly or in combination. The largest fescue N increase was obtained by the addition of N and P. Nitrogen uptake was limited by the mineralization rate of compost organic N. Regression equations describing total N uptake and fescue N concentration as affected by compost amendment, fertilizer addition, and time, required, in most cases, a quadratic term for compost amendment to explain the variation in Fescue N. During 167 days of growth the fescue utilized approximately 8% of the compost N and 80% of the fertilizer N. Based on the N content of fescue grown in Evesboro soil and equivalent fertilizer value of 166 kg N/ha was obtained for the 135 metric tons/ha compost amendment compared with the fertilizer treatments." |
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| Language: | English |
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| References: | 22 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tester, C. F., L. J. Sikora, J. M. Taylor, and J. F. Parr. 1982. Nitrogen utilization by tall fescue from sewage sludge compost. Agron. J. 74(6):p. 1013-1018. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/74/6/AJ0740061013
Last checked: 12/08/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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