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一、选用优良品种,搞好种子处理种子质量的优劣与苗全苗壮关系极大,所以播种前建议选用郑单958、浚单20等中熟、矮秆、抗倒伏的紧凑型优良杂交品种。为保证种子的发芽率,播种前应晴天晒种2天,可促进种子后熟,降低种子含水量,增强种内酶的活性,杀灭种皮上的病菌,确保苗全苗壮。为了防止病虫危害,可选用玉米专用种衣剂进行包衣,可以达到很好的防病保苗效果。二、科学播种适时早播,夏玉米要适时早播,为穗大、粒多、
First, the selection of good varieties, improve seed quality and seedling seedlings Miao Zhuang Zhuang Zhuang strong relationship, so before sowing recommendations Zhengdan 958, Xundan 20 and other medium, dwarf, anti-lodging compact good hybrid Variety. In order to ensure the germination rate of the seeds, it should be sunny for 2 days before sowing, which can promote the ripening of the seeds, reduce the seed water content, enhance the activity of the intraspecific enzyme, kill germs on the seed coat and ensure the seedlings grow well. In order to prevent pest damage, the choice of corn seed coating for coating, you can achieve good disease prevention seedling effect. Second, timely sowing of scientific sowing, summer corn should be timely sowing, as spike, grain and more,