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Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains
Joint Authors
Raun, William R.
Mullock, Jeremiah
Miller, Eric C.
Arnall, Daryl B.
Bushong, Jacob T.
Source
International Journal of Agronomy
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-12-16
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
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.
American Psychological Association (APA)
Bushong, Jacob T.& Miller, Eric C.& Mullock, Jeremiah& Arnall, Daryl B.& Raun, William R.. 2014. Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains. International Journal of Agronomy،Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1035921
Modern Language Association (MLA)
Bushong, Jacob T.…[et al.]. Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains. International Journal of Agronomy No. 2014 (2014), pp.1-10.
https://search.emarefa.net/detail/BIM-1035921
American Medical Association (AMA)
Bushong, Jacob T.& Miller, Eric C.& Mullock, Jeremiah& Arnall, Daryl B.& Raun, William R.. Effect of Irrigation and Preplant Nitrogen Fertilizer Source on Maize in the Southern Great Plains. International Journal of Agronomy. 2014. Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1035921
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1035921