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Effects of varieties and nitrogen fertilizer on yield and yield components of maize on farmers field in mid altitude areas of western Ethiopia

Author: Abera, T.
Author: Debele, T.
Author: Dagne Wegary Gissa
Year: 2017
ISSN: 1687-8167
ISSN: ISSN: 1687-8159
ISSN: ESSN: 1687-8167
Abstract: Yield of maize hybrids could be low when grown below optimum management practices. Use of improved varieties and optimum nitrogen fertilizer application practices are unlocking the high yielding potential of hybrids maize. With these in view, a field experiment was executed on farmers’ field to determine the effect of varieties and nitrogen fertilizer rate on yield and yield components of maize in two cropping seasons. It is laid out with randomized complete block design in factorial arrangement with three replications. Five maize varieties (BH-540, BH-543, BH-661, BH-660, and BH-140) as main factor and two levels of nitrogen (55 and 110KgNha−1) as subfactor were used with one maize variety (BH-543) without fertilizer as control. Leaf area and leaf area index of maize varieties were significantly affected by application of nitrogen fertilizer rates. Interaction of maize varieties with nitrogen fertilizer rates significantly affected all yield and yield components of maize. Application of half and full recommended nitrogen fertilizer produced mean grain yield advantages of 31 and 41% over control. Therefore, application of half and full recommended nitrogen fertilizer for improved maize varieties has significantly improved grain yield and recommended for maize production in midaltitude area of western Ethiopia.
Format: PDF
Language: English
Publisher: Hindawi Publishing Corporation
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Type: Article
Place of Publication: New York, U.S.
Pages: art. 4253917
Volume: 2017
DOI: 10.1155/2017/4253917
CRP: Maize
Agrovoc: MAIZE
Agrovoc: HYBRIDS
Agrovoc: YIELDS
Journal: International Journal of Agronomy

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  • Maize
    Maize breeding, phytopathology, entomology, physiology, quality, and biotech

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