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玉米倒伏一直是粮农种植玉米的大问题,倒伏后会影响通风透光和授粉不良,导致空杆或绝产。生产中应提早预防,一旦发生倒伏应及时采取得力措施,减少产量损失。一、倒伏的预防措施1、选用抗倒能力强的品种。这是预防倒伏的一种简便而有效的办法。在生产上应尽量选用那些株高比较矮、穗位较低、根系发达、茎秆粗壮且坚韧的品种。2、合理密植。合理密植是改善植株个体发育,优化个体与群体关系,防止倒伏的关键技术
Corn lodging has always been a big problem for farmers planting corn. After lodging it will affect the ventilation and poor pollination, resulting in empty poles or abortion. Production should be early prevention, in the event of an adverse response should promptly take effective measures to reduce production losses. First, the precautionary measures of lodging 1, selection of anti-down ability of varieties. This is an easy and effective way to prevent lodging. In the production should try to use those shorter plant height, ear lower, root system, stem sturdy and tough varieties. 2, reasonable close planting. Reasonable close planting is to improve individual plant development, optimizing the relationship between individuals and groups, the key technology to prevent lodging