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DOI: | 10.2134/jeq1982.00472425001100030016x |
Publication Type: | Refereed |
Author(s): | Olson, R. V.; Terry, R. V.; Powers, W. L.; Swallow, C. W.; Kanemasu, E. T. |
Author Affiliation: | Olson: Professor; Terry: Graduate Research Assistant, Department of Agronomy, Kansas Agric. Exp. Stn., Manhattan, KS; Powers: Director, Water Resources Center, University of Nebraska, Lincoln, NE; Swallow: Associate Professor; Kanemasu: Professor: Department of Agronomy, Kansas Agric. Exp. Stn., Manhattan, KS |
Title: | Soil accumulation and leaching of nitrogen |
Article Series: | Disposal of feedlot-lagoon water by irritating bromegrass, part 2 |
Section: | Technical reports Other records with the "Technical reports" Section |
Source: | Journal of Environmental Quality. Vol. 11, No. 3, July-September 1982, p. 400-405. |
Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
# of Pages: | 6 |
Related Web URL: | https://dl.sciencesocieties.org/publications/jeq/abstracts/11/3/JEQ0110030400 Last checked: 12/08/2016 Requires: PDF Reader Notes: Abstract only |
Keywords: | TIC Keywords: Bromus inermis; Irrigation; Irrigation rates; Irrigation water; Leaching; Nitrogen losses; Water pollution |
Abstract/Contents: | "This field experiment measured the role of soil accumulation and leaching of N when bromegrass (Bromus inermis) was irrigated with beef-feedlot-lagoon water. The 4-year study included three replications at irrigation rates of 0, 2.5, 5.1, 7.6, and 10.2 cm irrigation-1. The heaviest irrigation added 1,890 kg N ha-1 during the 4 years. Microplots encased in steel pipes in the main plots received 5.1- and 10.2cm irrigations with lagoon water enriched with (15NH4)2SO4. With the main plots, there were no significant differences in total or inorganic soil N due to treatments. Profile contents of total N in the microplots increased during the experiment with 10.2-cm irrigations, and decreased with 5.1 cm. Amounts of leaching were small and were related to drainage from the profile rather than quantities of N added. Leaching did not constitute a significant hazard to underground water supplies. The linear relationship between amounts of labeled NH4+N added and labeled N found in the soil to 70 cm deep was highly significant. Most of the labeled N was in the 0- to 10-cm soil layer with 88-94% of it immobilized in organic forms. The N balance after 4 years for the 5.1-cm treatment showed 28% of the labeled N applied as NH4+ was in the soil profile, 41% used by the crop, 31% lost as a gas, and 0.7% leached below 105 cm. With the 10.2-cm treatment, 20% was in the soil, 38% used by the crop, 40% lost as gas, and 1.3% leached." |
Language: | English |
References: | 15 |
ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Olson, R. V., R. V. Terry, W. L. Powers, C. W. Swallow, and E. T. Kanemasu. 1982. Soil accumulation and leaching of nitrogen. J. Environ. Qual. 11(3):p. 400-405. |
Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/3357 |
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DOI: 10.2134/jeq1982.00472425001100030016x | |
MSU catalog number: | b2225072a |
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