玉米生产中常出现的空秆现象,是造成玉米减产的重要原因之一,空秆率越高,对产量的影响越大。在不良的天气影响,肥水管理不及时的情况下,空秆率可高达50%—60%。因此,降低玉米空秆率是提高玉米产量的一项重要措施。1、形成玉米空秆的主要原因1.1、雄穗对雌穗的抑制:玉米的雄穗是由顶芽 The phenomenon of empty stalk, which often appears in corn production, is one of the important reasons to reduce corn yield. The higher the empty stalk rate, the greater the impact on yield. In the adverse weather, fertilizer and water management is not timely, the empty stalk rate can be as high as 50% -60%. Therefore, reducing corn stover rate is an important measure to increase corn yield. 1, the main reason for the formation of corn stalks 1.1, tassel spike inhibition: corn tassel from the top bud