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Efficient utilization of water and nitrogen resources for grain sorghum under rainfed conditionsAbunyewa, Akwasi A. January 2008 (has links)
Thesis (Ph.D.)--University of Nebraska-Lincoln, 2008. / Title from title screen (site viewed Mar. 10, 2009). PDF text: xix, 194 p. : ill. (some col.) ; 14 Mb. UMI publication number: AAT 3336804. Includes bibliographical references. Also available in microfilm and microfiche formats.
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