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二棱大麦的最佳收获期，是麦子粒重的最大形成期，也是“九成熟、十成收”的准确时期，为了准确掌握这一标准，1994年～1995年我们很据二棱大麦成熟期外部形态的变化规律，从田间麦芒全黄开始，每隔二天大田取样一次，最后一次（第五）在麦子植株全部枯死为止，先后分期取样五
The optimal harvest period of two-rowed barley is the maximum formation period of grain weight of wheat and also the exact period of “nine ripeness, ten percent income”. In order to accurately grasp this standard, from 1994 to 1995, Period of external changes in morphology, starting from the field all wheat Huang, sampling every two days field, the last (fifth) until all the dead plants in wheat, has been sampling five