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对形成作物最终产量的研究发现，作物产量与作物某一营养器官或某些器官存在着密切的相关（如：禾本科的水稻、玉米产量高低取决于剑叶的生长状况）。因此，人们总是在作物生长某一关键时期，努力培育与作物产量密切相关的营养器官，以求达到高产的目的。本课题通过调查研究台
Studies on the final crop yield show that there is a close correlation between crop yield and certain vegetative organs or certain organs of the crop (eg gramineous rice and corn yield depending on the growth of the flag leaf). Therefore, people are always trying to cultivate vegetative organs that are closely related to crop yield in order to achieve high yield during a crucial period of crop growth. This topic through the research station