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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/pdfs/24/5/JEQ0240050940
Last checked: 12/12/2016
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| Publication Type:
| Refereed |
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| Author(s): | Monnett, G. T.;
Reneau, R. B. Jr.;
Hegedorn, C. |
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| Author Affiliation: | Law Environmental, Kennesaw, GA; Crop and Soil Environ. Sciences, Virginia Polytechnic Inst. and State Univ.; Crop and Soil Environ. Sciences, Virginia Polytechnic Inst. and State Univ. |
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| Title: | Effects of domestic wastespray irrigation on denitrification rates |
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| Source: | Journal of Environmental Quality. Vol. 24, No. 5, September/October 1995, p. 940-946. |
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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: | 7 |
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| Keywords: | TIC Keywords: Denitrification; Effluent water; Sprayline irrigation; Nitrogen
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| Abstract/Contents: | "Spray irrigation of domestic wastewater has potential as an effective on-site wastewater treatment and disposal method for soils that have limited renovation capacity. Nitrogen removal via denitrification from spray irrigation can fluctuate due to the alternating aerobic and anaerobic conditions caused by irrigation frequency. The objectives of this study were (i) to determine the effect of domestic wastewater application rates and frequencies within a 24-h period on nitrous oxide (NāO-N) emissions from soil columns measured by the acetylene block technique, and (ii) to determine the influence of wastewater irrigation on the dentrification capacity of the soil. Treatments used two effluent application rates (1.25 and 2.5cm wkā»Ā¹)and three daily irrigation frequencies (1, 2, and 3 times dā»Ā¹)and a no-effluent control. Increased effluent application and splitting the effluent into two or three apllications dā»Ā¹ increased levels of NāO-N emissions as compared with the control. Single daily doses of effluent produced low levels of NāO-N emissions over the 24-h measuring period, whereas more frequent applications produced rapid increases in NāO-N emissions directly after effluent application. Gaseous losses of N averaged 5.3 and 26.2% of the applied N at the 1.25 and 2.5 cm wkā»Ā¹ effluent loading rates, respectively. The denitrifying capacity of the soils was limited by N and C. Maintaining effluent in the upper, more microbially active part of the soil column through split applications was important to N removal via denitrification." |
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| Language: | English |
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| References: | 31 |
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| Note: | Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Monnett, G. T., R. B. Jr. Reneau, and C. Hegedorn. 1995. Effects of domestic wastespray irrigation on denitrification rates. J. Environ. Qual. 24(5):p. 940-946. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/pdfs/24/5/JEQ0240050940
Last checked: 12/12/2016
Requires: PDF Reader
Notes: Item is within a limited-access website |
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MSU catalog number: S 900 .J6 |
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