Spatial and temporal analysis of maize (Zea mays) crop yields in Benin from 1987 to 2007
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- 作者：Arcadius Y.J. Akossoua ; sakos90@hotmail.com" class="auth_mail" title="E-mail the corresponding author ; Eloi Y. Attakpab ; attakpayae@yahoo.fr" class="auth_mail" title="E-mail the corresponding author ; Noë ; l H. Fontonc ; hnfonton@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Brice Sinsind ; brice.sinsin@uac.bj" class="auth_mail" title="E-mail the corresponding author ; Roel H. Bosmae ; roel.bosma@wur.nl" class="auth_mail" title="E-mail the corresponding author
- 关键词：Maize ; Yield ; Model ; Benin
- 刊名：Agricultural and Forest Meteorology
- 出版年：2016
- 出版时间：15 April 2016
- 年：2016
- 卷：220
- 期：Complete
- 页码：177-189
- 全文大小：1885 K
文摘
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Maize yields in Benin's 77 districts were relatively low and highly variable.
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Annual yield increase over 20 years fitted an exponential smoothing model.
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The trend explained 1–78% of yield variability within the agro-ecological zones.
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Rain during full vegetative growth explained 15–77% of this variability.
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Soil, technology and farmer's capabilities explained more variability in drier zones.