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连续3年的试验结果表明,多棱大麦千粒重受密度变化的影响较大,随密度的增加千粒重显著降低,二棱大麦千粒重受密度变化影响较小,针对啤酒大麦对千粒重要求较高这一特点,我们认为啤酒大麦优质高产的适宜密度为:多棱品种(系)375万株/hm~2,二棱品种(系)450万株/hm~2。
The results of three years continuous experiment showed that 1000-grain weight of polygamy barley was greatly affected by the density change. The grain weight of one-grain barley significantly decreased with the increase of density, and the grain weight of two-row barley was less affected by the density change. , We believe that the suitable density of beer barley for high quality and high yield is: 3.75 million / hm ~ 2 polygonal varieties (lines) and 4.5 million / hm ~ 2 for two-sided barley varieties.