Nitrogen Rate Influence on Pearl Millet Yield, Nitrogen Uptake, and Nitrogen Use Efficiency in Nebraska

Maman, N. and Mason, S.C. and Lyon, D.J. (2006) Nitrogen Rate Influence on Pearl Millet Yield, Nitrogen Uptake, and Nitrogen Use Efficiency in Nebraska. Communications in Soil Science and Plant Analysis, 37 (1-2). pp. 127-141.

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Pearl millet is a potential dryland crop for Nebraska. Experiments were conducted in eastern Nebraska in 2000, 2001, and 2002, and in western Nebraska in 2000 and 2001. The objectives were to determine optimum nitrogen (N) rate, N uptake, and N use efficiency (NUE) for pearl millet. The hybrids “68×086R” and “293A×086R” and N rates of 0, 45, 90, and 135 kg N ha−1 were used. Hybrids had similar yield, N uptake and NUE responses. In western Nebraska in 2000, pearl millet yield response to N rate was linear, but the yield increase was only 354 kg ha−1 to application of 135 kg N ha−1. In eastern Nebraska, pearl millet response to N rate was quadratic with maximum grain yields of 4040 in 2001 and 4890 kg ha−1 in 2002 attained with 90 kg N ha−1. The optimum N rate for pearl millet was 90 kg N ha−1 for eastern Nebraska. For western Nebraska, drought may often limit pearl millet's response to N fertilizer.

Item Type: Article
Additional Information: Contribution of the Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE 68583-0915. Paper No.14399 of the Journal Series of the Nebraska Agric. Res. Div. Research supported in part by the Anna Elliot Fund, University of Nebraska Foundation, and USAID Grant no. DAN 1254- G-0021 through INTSORMIL, the International Sorghum and Millet Collaborative Research Program.
Uncontrolled Keywords: Pearl millet, nitrogen use efficiency, nitrogen response, nitrogen uptake, nitrogen concentration
Author Affiliation: University of Nebraska-Lincoln, Lincoln, NE, USA
Subjects: Soil Science and Microbiology > Soil Sciences
Divisions: Millet
Depositing User: Mr Siva Shankar
Date Deposited: 11 Sep 2013 03:48
Last Modified: 11 Sep 2013 03:48
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