URL：https://www.researchgate.net/profile/Mustapha-Naimi/publication/278687988/figure/fig3/AS:267847591002143@1440871250433/2-Major-agro-ecological-zones-based-on-the-length-of-the-growing-period_Q320.jpg
掲載元：https://www.researchgate.net/figure/2-Major-agro-ecological-zones-based-on-the-length-of-the-growing-period_fig3_278687988
