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江苏淮北地区小麦品种演变中生物产量与收获指数的变化夏中华，丁雪蕙，顾正中，张云峰唐明臻，俞世蓉，吴兆苏（江苏徐淮地区淮阴农科所２２３００１）（南京农业大学小麦品种研究室）小麦新老品种演变研究表明，现代品种光合面积显著增大，但生物产量变化不大，而茎草重...
Changes of Biomass Yield and Harvest Index of Wheat Varieties in Huaibei Region of Jiangsu Province XIA Zhong-hua, DING Xue-hui, GU Zheng-zhong, ZHANG Yun-feng TANG Ming-zhen, YU Shi-rong, WU Zhaosu (Huaiyin Agricultural Science Institute, Xuhuai, Jiangsu 223001) The research on the evolution of old breeds shows that the photosynthetic area of modern breeds has increased significantly, but the change of biological yield has not changed much, while that of stems and grasses ...