Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains
With the demand for maize increasing, production has spread into more water limited, semiarid regions. Couple this with the increasing nitrogen (N) fertilizer costs and environmental concerns and the need for proper management practices has increased. A trial was established to evaluate the effects...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | International Journal of Agronomy |
| Online Access: | http://dx.doi.org/10.1155/2014/247835 |
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| author | Jacob T. Bushong Eric C. Miller Jeremiah L. Mullock D. Brian Arnall William R. Raun |
| author_facet | Jacob T. Bushong Eric C. Miller Jeremiah L. Mullock D. Brian Arnall William R. Raun |
| author_sort | Jacob T. Bushong |
| collection | DOAJ |
| description | With the demand for maize increasing, production has spread into more water limited, semiarid regions. Couple this with the increasing nitrogen (N) fertilizer costs and environmental concerns and the need for proper management practices has increased. A trial was established to evaluate the effects of different preplant N fertilizer sources on maize cultivated under deficit irrigation or rain-fed conditions on grain yield, N use efficiency (NUE), and water use efficiency (WUE). Two fertilizer sources, ammonium sulfate (AS) and urea ammonium nitrate (UAN), applied at two rates, 90 and 180 kg N ha−1, were evaluated across four site-years. Deficit irrigation improved grain yield, WUE, and NUE compared to rain-fed conditions. The preplant application of a pure ammoniacal source of N fertilizer, such as AS, had a tendency to increase grain yields and NUE for rain-fed treatments. Under irrigated conditions, the use of UAN as a preplant N fertilizer source performed just as well or better at improving grain yield compared to AS, as long as the potential N loss mechanisms were minimized. Producers applying N preplant as a single application should adjust rates based on a reasonable yield goal and production practice. |
| format | Article |
| id | doaj-art-d3014d68fd854ae99e8e2ef6de89b1f3 |
| institution | OA Journals |
| issn | 1687-8159 1687-8167 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Agronomy |
| spelling | doaj-art-d3014d68fd854ae99e8e2ef6de89b1f32025-08-20T02:19:51ZengWileyInternational Journal of Agronomy1687-81591687-81672014-01-01201410.1155/2014/247835247835Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great PlainsJacob T. Bushong0Eric C. Miller1Jeremiah L. Mullock2D. Brian Arnall3William R. Raun4Department of Plant and Soil Sciences, Oklahoma State University, 368 Agricultural Hall, Stillwater, OK 74078, USADepartment of Plant and Soil Sciences, Oklahoma State University, 368 Agricultural Hall, Stillwater, OK 74078, USADepartment of Plant and Soil Sciences, Oklahoma State University, 368 Agricultural Hall, Stillwater, OK 74078, USADepartment of Plant and Soil Sciences, Oklahoma State University, 368 Agricultural Hall, Stillwater, OK 74078, USADepartment of Plant and Soil Sciences, Oklahoma State University, 368 Agricultural Hall, Stillwater, OK 74078, USAWith the demand for maize increasing, production has spread into more water limited, semiarid regions. Couple this with the increasing nitrogen (N) fertilizer costs and environmental concerns and the need for proper management practices has increased. A trial was established to evaluate the effects of different preplant N fertilizer sources on maize cultivated under deficit irrigation or rain-fed conditions on grain yield, N use efficiency (NUE), and water use efficiency (WUE). Two fertilizer sources, ammonium sulfate (AS) and urea ammonium nitrate (UAN), applied at two rates, 90 and 180 kg N ha−1, were evaluated across four site-years. Deficit irrigation improved grain yield, WUE, and NUE compared to rain-fed conditions. The preplant application of a pure ammoniacal source of N fertilizer, such as AS, had a tendency to increase grain yields and NUE for rain-fed treatments. Under irrigated conditions, the use of UAN as a preplant N fertilizer source performed just as well or better at improving grain yield compared to AS, as long as the potential N loss mechanisms were minimized. Producers applying N preplant as a single application should adjust rates based on a reasonable yield goal and production practice.http://dx.doi.org/10.1155/2014/247835 |
| spellingShingle | Jacob T. Bushong Eric C. Miller Jeremiah L. Mullock D. Brian Arnall William R. Raun Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains International Journal of Agronomy |
| title | Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains |
| title_full | Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains |
| title_fullStr | Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains |
| title_full_unstemmed | Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains |
| title_short | Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains |
| title_sort | effect of irrigation and preplant nitrogen fertilizer source on maize in the southern great plains |
| url | http://dx.doi.org/10.1155/2014/247835 |
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