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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/articles/37/3/1279
Last checked: 11/07/2016
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https://dl.sciencesocieties.org/publications/jeq/pdfs/37/3/1279
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| Publication Type:
| Refereed |
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| Author(s): | Butler, David M.;
Franklin, Dorcas H.;
Cabrera, Miguel L.;
Tasistro, Armando S.;
Xia, Kang;
West, Larry T. |
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| Author Affiliation: | Butler, Cabrera and West: Department of Crop and Soil Sciences; Tasistro: Agricultural and Environmental Sciences Lab, University of Georgia, Athens, Georgia; Franklin: J. Phil Campbell Sr. Natural Resource Conservation Center, United States Department of Agriculture, Agricultural Research Service, Watkinsville, Georgia; Xia: Mississippi State Chemical Lab, Mississippi State, Mississippi |
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| Title: | Evaluating aeration techniques for decreasing phosphorus export from grasslands receiving manure |
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| Section: | Surface water quality
Other records with the "Surface water quality" Section
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| Source: | Journal of Environmental Quality. Vol. 37, No. 3, May/June 2008, p. 1279-1287. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| # of Pages: | 9 |
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| Keywords: | TIC Keywords: Phosphorus; Aerification; Manures; Nutrient availability; Coring; Soil aeration; Surface runoff; Soil analysis; Precipitation; Physical properties of soil; Grasslands; Festuca arundinacea; Cynodon dactylon; Application rates; Compaction
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| Abstract/Contents: | "Because surface-applied manures can contribute to phosphorus (P) in runoff, we examined mechanical aeration of grasslands for reducing P transport by increasing infiltration of rainfall and binding of P with soil minerals. The effects of three aeration treatments and a control (aeration with cores, continuous-furrow "no-till" disk aeration perpendicular to the slope, slit aeration with tines, and no aeration treatment) on the export of total suspended solids, total Kjeldahl P (TKP), total dissolved P (TDP), dissolved reactive P (DRP), and bioavailable P (BAP) in runoff from grasslands with three manure treatments (broiler litter, dairy slurry, and no manure) were examined before and after simulated compaction by cattle. Plots (0.75 x 2 m) were established on a Cecil soil series with mixed tall fescue (Festuca arundinacea Schreb.)-bermudagrass [Cynodon dactylon (L.) Pers.] vegetation on 8 to 12% slopes. Manures were applied at a target rate of 30 kg P ha-1, and simulated rainfall was applied at a rate of 85 mm h-1. Although the impact of aeration type on P export varied before and after simulated compaction, overall results indicated that core aeration has the greatest potential for reducing P losses. Export of TKP was reduced by 55%, TDP by 62%, DRP by 61%, total BAP by 54%, and dissolved BAP by 57% on core-aerated plots with applied broiler litter as compared with the control (p < 0.05). Core and no-till disk aeration also showed potential for reducing P export from applied dairy slurry (p < 0.10). Given that Cecil soil is common in pastures receiving broiler litter in the Southern Piedmont, our results indicate that pairing core aeration of these pastures with litter application could have a widespread impact on surface water quality." |
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| Language: | English |
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| References: | 38 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Butler, D. M., D. H. Franklin, M. L. Cabrera, A. S. Tasistro, K. Xia, and L. T. West. 2008. Evaluating aeration techniques for decreasing phosphorus export from grasslands receiving manure. J. Environ. Qual. 37(3):p. 1279-1287. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/articles/37/3/1279
Last checked: 11/07/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/pdfs/37/3/1279
Last checked: 11/08/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2225072a |
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