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豫东地区每年夏玉米种植面积在300150万平方米以上,该区是河南省主要夏玉米种植区。近几年,随着种植机械化程度提高和紧凑型玉米品种的推广,种植密度逐渐增加,这就使玉米发生倒伏的几率大大增加。倒伏发生的程度不同,对产量的影响也不同,轻者减产5%~10%,重者减产30%~50%,个别严重的情况几乎绝收。对此,通过调查分析,本文总结出防止玉米倒伏的方法和补救措施。一、玉米倒伏的类型根据近几年玉米倒伏的特点,豫东地区玉米
The annual planting area of summer maize in eastern Henan is more than 30,050,000 square meters, which is the main summer maize planting area in Henan Province. In recent years, planting density has been gradually increasing with the increasing mechanization of planting and the popularization of compact maize varieties, which greatly increases the probability of maize lodging. The extent of the occurrence of lodging is different, the impact on production are also different, light output reduction of 5% to 10%, heavy output reduction of 30% to 50%, a few serious cases almost indispensable. In this regard, through the investigation and analysis, this paper summarizes the methods and remedies to prevent lodging of corn. First, the type of lodging of corn According to the characteristics of lodging of corn in recent years, Yudong region corn