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Differences of Photosynthetic Characteristics in Rapeseed (Brassica napus.L) at Seedling Stage with Different Nitrogen Utilization Efficiency for Grain Production
杨 光,左青松,唐 瑶,石剑飞,冷锁虎
Chinese Agricultural Science Bulletin . 2009, (24): 218 -224 .  DOI: 10.11924/j.issn.1000-6850.2009-1699